Tutorials Posted by prabagopi
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| Bounty | Category | Question | Tutorial | Date Posted | |
|---|---|---|---|---|---|
| $8.00 | Mathematics | Stats Homework | Solution Only for Macias M4 A2!!!!!!
...an it is for n=60.<br><br><br>2. What are the characteristics of the normal distribution? Why is the normal distribution important in statistical analysis? Provide an example of an...... | Jul. 26, 2009 at 01:26:58AM | |
| $2.00 | Mathematics | stats/mat | Step by step clear solution!!!
...e sample average is normally distributed with mean of 68 inches and standard deviation of ... | Jul. 26, 2009 at 12:56:38AM | |
| $8.00 | Mathematics | stats work | solution for comparing two independent proportion
...<br><br>Criterion: We reject the null hypothesis if Z< -1.96 or Z>1.96<br><br><br><br><br><br><br>Test stat:<br><br> <br>&...... | Jul 04, 2009 at 8:42:26PM | |
| $0.50 | Mathematics | Can someone please help me with this Alg | step by step solution
...se help me with this Algabra 2 inequali... | Jul 02, 2009 at 5:05:36PM | |
| $0.50 | Mathematics | Solve the equation for y: 4x + 3y = -12 | step by step solution
...: 4x + 3y = -12<br>Sol... | Jul 02, 2009 at 5:01:37PM | |
| $5.00 | Mathematics | Thundercats Please help | perfect solution
...4 th itme<br>Q3 = 3(N+1) /4 th item<br>Q1 = (10+1)/4 = 2.75 th i... | Jun. 26, 2009 at 12:43:07AM | |
| $5.00 | Mathematics | math problem | stepwise solution
...<br><br><br>12. Multiply: (4)(... | Jun. 22, 2009 at 01:58:53AM | |
| $5.00 | Mathematics | Statistics questions | Here is your solution
... p1 represent the percent of males in the California college age population arrested for drugs and let p2 represent the percent of females in the California college age population arrested for drugs... | Jun 12, 2009 at 9:04:29PM | |
| $4.00 | Mathematics | Statistics: # 18 Need all portions answered! Fill in the blanks | solution with explanation
...AND 2.0141 (df45)<br><br>4) sample's score on comparison distribution<br>t = (M1 – M2) / SDIFF = 5.06... | Jun 09, 2009 at 02:34:34PM | |
| $4.00 | Mathematics | #17 JUST FILL IN THE BLANKS... ALL THE BLANKS! | step by step calculation with clear explanation
...thesis tested is that whether there is a difference in means of the students form College X, College Y and College Z<br><br>Fro... | Jun 09, 2009 at 02:01:45PM | |
| $7.00 | Mathematics | MA170 Assignment 8-1 | correct answers
...4.64, $380.37, $546.87, $159.00, , and... | Jun 09, 2009 at 01:08:30PM | |
| $15.00 | Mathematics | Statistics (Decision Science) | correct answer
...component.<br> A) trend<br> B) cyclical<br> C) seasonal<br> D) irregular<br>Answer:... | Jun 08, 2009 at 03:40:30PM | |
| $20.00 | Mathematics | RES/342 | Here is your Solution
...<br>Degrees of freedom in denominator = n-k-1 =35-1-1=33<br>The critical value of F = 4.14<br>C. what is your conclusio... | Jun 08, 2009 at 03:21:26PM | |
| $1.00 | Mathematics | Confidence Interval - Families USA, a mo | 90% of the confidence interval using to solved in Megastat
...le was $1,000. a. Based on this sample information, develop a 90 percent confidence interval for the pop...<br>Solution:<br>... | Jun. 07, 2009 at 12:50:20AM | |
| $3.00 | Mathematics | Statistics: # 12 | Here is ur solution
...s zero<br>Alternative Hypothesis:<br>H1: The correlation coefficient is not zero<br>Test Statistic:<br>t= r * (sqrt*((n-2)/(1-r2)))<br>t= -0.98 * (s... | Jun. 04, 2009 at 03:29:16AM | |
| $3.00 | Mathematics | Statistics: # 17 | Here is ur solution
...the F critical value at (2, 115) degrees of freedom is 3.07<br>Step 3:<br><br>What ... | Jun. 04, 2009 at 03:27:48AM | |
| $1.00 | Mathematics | Statistics: #14 | Here is ur Solution!!!!!
... under these conditions does not differ significantly from 24 hours <br>H0: ... | Jun 02, 2009 at 12:27:51PM | |
| $25.00 | Mathematics | Mth 157 week 2 | Here is ur solution !!!
...probability that both are spades if the first card drawn was a spade = (13/52) * (12/51) = 0.059<br><br><br><br>#16 <br>A pair of dice are rolled and the sum...... | Jun 02, 2009 at 11:53:03PM | |
| $1.00 | Mathematics | 7(3x+6)=11-(x+2) what is the answer for | exact answer
...r for x?<br>Solution:<br>7(3x+6)=11-(x+2... | Jun 02, 2009 at 11:38:12PM | |
| $0.50 | Business | please help stumped | correct answers
...erm securities will: <br>A. decrease cash flow from financing activities. <br>B. increase cash flow from financing activities. <br>C. decrease cash flow from investing activities. &l...... | Jun 02, 2009 at 11:32:48PM | |
| $0.25 | History | What is the largest mountain system in | solution for the largest mountain
...th America are the Rocky Mountains which runs ... | Jun 02, 2009 at 11:28:47PM | |
| $0.50 | Business | please help already tried stumped | correct answer
...advantages of a sole proprietorship is <br>A. low operating costs. <br>B. that there is unlimited liability to the owner. <br>C. low organizational costs. <br>D. the... | Jun 02, 2009 at 11:22:52PM | |
| $4.00 | Mathematics | Hypothesis Testing 3. The director | A+ Assured (Hypothesis Testing )
...<br><br>Null hypothesis:<br>H0:µ = 300<br><br>Alterative hypothesis:<br>H1:µ >300<br><br>Level of significance:<br> = 0.10<br><br>...... | May 29, 2009 at 02:44:08PM | |
| $10.00 | Mathematics | Statistics (Decision Science) Test 4 | Here is your solution shan99w!!!!!!!!
...can be larger than 1.<br> B) It can be negative.<br> C) It has t... | May 27, 2009 at 2:15:58PM | |
| $5.00 | Mathematics | Stats hw | Here is ur solution
... hypothesized value <br> 25.000 mean Data <br> 1.195 std. dev. <br> 0.423 std. error <br> 8 n <br> 7 df <br> <br> 2.37 t <br> .0499 p-v...... | May 26, 2009 at 03:51:52PM | |
| $4.00 | Mathematics | Statistics: variance, t test, scatter diagram, correlation, etc. | Except Ch4. 16 and Ch8. 18 we have done all problems with step by step calculation
... lights on and off as they wished. After a month in the room, each individual tended to develop a steady cycle. <br>Their cycles at the end of the study were as follows: 25, 27, 25, 23, 24, 25,...... | May 25, 2009 at 10:38:49PM | |
| $10.00 | Mathematics | stats help | step by step solution with explanations
...tion:<br>Null hypothesis:<br> <br>H0: m1 = m2... | May 25, 2009 at 04:22:43PM | |
| $3.00 | Mathematics | I need help understanding this assignment | Solution
... equations true. A system of equations has no solution if there is no pair of an x-val... | May. 21, 2009 at 12:11:05AM | |
| $10.00 | Mathematics | A company is syudying the delivery times | Five Step Hypthesis Solution with megastat output
...delivery time of supplier A and supplier B.<br>Alternative hypo... | May 20, 2009 at 10:14:51PM | |
| $1.00 | Mathematics | Help me with this: C=2(3.14)r; solve | correct solution
...3.14)r; so... | May 19, 2009 at 9:16:31PM | |
| $1.00 | Mathematics | Newton’s Law of Gravitation says that th | step by step solution with explanations
...iven F'(20,000) ... | May 18, 2009 at 04:34:01PM | |
| $1.00 | Mathematics | Newton’s Law of Gravitation says that th | step by step solution with explanations
...0) = 8×F'(20,000... | May 18, 2009 at 04:32:54PM | |
| $1.00 | Mathematics | Newton’s Law of Gravitation says that th | step by step solution with explanations
...10,000) = 8×F'(2... | May 18, 2009 at 04:32:04PM | |
| $1.00 | Mathematics | Newton’s Law of Gravitation says that th | step by step solution with explanations
...0,000) <br>Given F... | May 18, 2009 at 04:31:22PM | |
| $1.00 | Mathematics | Newton’s Law of Gravitation says that th | step by step solution with clear calculations
...0) = 8×F'(20,000... | May 18, 2009 at 04:30:14PM | |
| $8.00 | Mathematics | Statistics Help | 100% exact solution with step by step calculations
...<br>a. P(t A) = 0.02... | May 18, 2009 at 04:26:58PM | |
| $0.50 | Mathematics | The perimeter of a rectangular garden is | step by step calculation with clear explanation
...<br>Given: Perimeter: 60m<br>Area: 225m2 <br>therefore:<br>60m = 2L ... | May. 16, 2009 at 12:13:12AM | |
| $2.00 | Mathematics | question posted | Here is your Solution
...es shows not significant difference at 5% level of sig... | May 15, 2009 at 11:16:59PM | |
| $0.25 | Mathematics | Std Normal Distribution | A+ Exact solution
...= 1-P(Z<1.66)<br> ... | May 15, 2009 at 10:16:40PM | |
| $2.00 | Mathematics | Five step | Five Step Hypothesis Test For for Wilcoxon - Mann/Whitney Test
...d earned wages of married people <br>Alternative Hypothesis:<br>H1: There is significant ... | May 09, 2009 at 2:48:38PM | |
| $2.00 | Mathematics | 10 Questions posted | Here is My Solution
...) P-value = ________________ <br>1c) REJECT THE NULL or DO NOT REJECT THE NULL? (circle one)<br>1d) Can we conclude the ball improved his game? YES or NO (circle one)<br><br&...... | May 09, 2009 at 1:25:41PM | |
| $1.00 | Mathematics | Select five random numbers between 70 an | A+Solution
...s<br>70, 70, 70, 70, 100<br>mean = (70+ 70+ 70+ 70+ 100)/5 = 76<br>median = middle number = 70<br>mode = most c... | May 09, 2009 at 06:53:08PM | |
| $0.75 | Health-Care | What is the answer to this problem? (1-(-1)^2)^2 +3*3 | A+ solution
... (1-(-1)^2)^2 +... | May 08, 2009 at 02:23:03PM | |
| $1.50 | Mathematics | Help me understand this algebra problem. | A+ Solution
...ht trianlgle formed is between the six ft of ground and 18 ft of bamboo which gives the t... | May 08, 2009 at 02:11:01PM | |
| $15.00 | Mathematics | Statistics | Here is the solution for ur problem.. A+ Assured
...µ 3. <br>Level of significance :<br>alpha = 0.05 <br><br>The critical value is 1.796<br><br>The m... | May 07, 2009 at 11:07:10PM | |
| $10.00 | Mathematics | Chi-Square Tests | Perfect Step by Step Manual Calculation for Chapter 15 – Chapter Exercises 15.18, 15.22, 15.24, and 15.28 Solutions
...)*(c-1)= (3-1)*(3-1)= 4 degrees of degrees of freedom and at 0.01 leve... | May 05, 2009 at 11:53:01PM | |
| $10.00 | Mathematics | Stat Questions | Perfect Step by Step Manual Calculation
.... Which is the least statistically significant variable? What evidence shows this? <br>X1 Employ is the least statistically significant, P-value show this evidence<br><br>d. For a ....... | May 05, 2009 at 11:16:13PM | |
| $20.00 | Business | statistics | Statistics Solution
...olution:<br>Total number of Males in the given dataset is 8<br>Number of per... | May 05, 2009 at 8:51:31PM | |
| $15.00 | Mathematics | Need help please!!! | Here is the Solutions 4 ur questions jaser3507!!!
...(77.1-69.3)/sqrt[(19.6)^2/25 + (24.9)^2/24] = 1.2152<br>p-value = P(z > 1.2152) = 0.112146...<br>Interpretation: At least 11.23% of test results could have provided stronger<br>ev...... | May 05, 2009 at 02:19:24PM | |
| $15.00 | Mathematics | TWO-SAMPLE HYPOTHESIS TESTING | Here is the Solutions 4 ur questions tmat621!!!
...standard deviation = 5.0; n = 44<br>Non-Smokers: Average number of days absent = 8.3; standard deviation = 4.0... | May 05, 2009 at 02:09:33PM | |
| $1.00 | Mathematics | ACT Test Sample | confidence interval
...al for the proportion of coaching among all students who retake the ACT.<br>Solution:<br>Here n=3160<br> <br><br> = 1%, so Z᠉... | May 03, 2009 at 9:13:13PM | |
| $1.00 | Mathematics | question posted hypothesis_tests_two_samples | Hyopthesis test for two sample
... is your ... | May 01, 2009 at 9:38:40PM | |
| $3.00 | Mathematics | A ticket broker feels that the number of | Correlation
...Since the correlation coefficient is positive and strong it is directl... | May 01, 2009 at 9:36:14PM | |
| $10.00 | Mathematics | Regression Analysis Help | A+ Solution
... value which is less than 0.05 given level of significance there is no evidence to accept the null hypothe... | May 01, 2009 at 9:14:34PM | |
| $4.00 | Mathematics | Solve it want save as a word doc | step by step solution with explanations
...2-10x+9 = x2-x-9x +9<br>=[ x(x-1)-9(x-1)]<br>=(x-9)(x-1... | Apr 30, 2009 at 02:46:12PM | |
| $1.00 | Mathematics | Solve | step by step solution with clear calculations
...uare root(32)<br> <br>Sol... | Apr 30, 2009 at 01:31:22PM | |
| $5.00 | Mathematics | Please help me with these Math questions. | Here is the solution 4 ur questions ncblkgy!!!
...94) =P(X<836.94)-P(X< 550.67)<br> = P (Z<(836.94 - µ)/) – P(Z < (550.67 - µ)/)<br> = P(Z<(836.94 -... | Apr 26, 2009 at 09:47:26PM | |
| $1.50 | Mathematics | q1, 4, 5 posted | q1, 4, 5 Solution posted
...ence is <br><br> ( µ ± Z/2 * S/Sq... | Apr 25, 2009 at 11:15:11PM | |
| $10.00 | Mathematics | business satisctics | Business satisctics Solution
...al estimate, the upper limit would be: __________________<br><br>Solution:<br>Here n = 25, Mean = 20, Standard Deviation S = 2.50<br> = 5%, so t/2,n-1 = 2.064<br>For...... | Apr 25, 2009 at 4:08:01PM | |
| $1.00 | Mathematics | A survey of 30 adults found that the mea | A survey of 30 adults found that the mean A+ solution
...iation S = 0.8<br>For 99% confidence interval, 1 – = 0.99 , i.e., = 0.01 and the critical value of the t at 0.01 level of significance with 29 degrees of freedom i... | Apr 25, 2009 at 09:56:02PM | |
| $1.00 | Mathematics | Two communities were surveyed about thei | 90% confidence interval for the difference in the proportion test
...he difference in the proportion of all households that recycle aluminum cans across the two communities.<br>Solution:<br>Estim... | Apr 25, 2009 at 05:29:17PM | |
| $5.00 | Mathematics | stats questions posted | Hypothesis Testing
... is less than 40.<br>2) Using the gender data only... | Apr 25, 2009 at 03:31:34PM | |
| $7.00 | Mathematics | mat 205 week 8 cumulative test | mat 205 week 8 cumulative test
...<br>P( 9, 5) <br>9... | Apr 23, 2009 at 09:59:13PM | |
| $3.00 | Mathematics | Statistics help | Statistics Help
...ht of 185 pounds (passenger weight includes shoes, clothes and carry-ons. Suppose that a random sample of 51 passengers showed an average tot... | Apr 22, 2009 at 06:02:35PM | |
| $2.00 | Mathematics | Statistics /Cholesterol | cholesterol-lowering drug
...nce the p < 0.001, so we have sufficient evi... | Apr 20, 2009 at 10:11:19PM | |
| $2.00 | Mathematics | Statistics /Dallas | Dallas
...ical value is z = 2.326<br>Since the test statistic is greater than th... | Apr 20, 2009 at 09:56:59PM | |
| $2.00 | Mathematics | 1. The following data set represents the | repair costs (in dollars) for a random sample of 30 dishwashers. (Adapted from Consumer Reports)
... = 98.11<br><br>(b) Find the margin of error for a... | Apr 20, 2009 at 09:54:28PM | |
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...ficient; <br>The correlation coefficient between dexterity and anxiety is -0.980.<br>(d) Figure whether the correla... | Apr 14, 2009 at 10:56:54PM | |
| $2.00 | Mathematics | I have posted 4 questions that I need a | Step by Step solution for 4 questions
...est statistic<br> Z = <br> = <br> = 2.066<br>Hence the calculated value of test statistic Z is 2.066<br>Formulate a decision rule<br&g...... | Apr 11, 2009 at 2:07:51PM | |
| $20.00 | Mathematics | Statistics Questions Help | Statistics Solution
...easoning. <br>It is an Discrete Probability distribution. Since X takes a single values with respected probability.<br>b. Calculate the e... | Apr 10, 2009 at 05:50:10PM | |
| $1.00 | Mathematics | x+2y=13x+4y=-3solving systemes of | Correct Solution
...)<br>-x=2+3<br>x=-5<br><br>sub x value in (1)<br><br>x+2y=1<br>-5+2y=1... | Apr 09, 2009 at 09:02:34PM | |
| $1.00 | Mathematics | 4+(8-9)+(4-6)-(-4+5) | Perfect Step By Step Solution
...(4-6)-(-4+5)<br>=4+(-... | Apr 08, 2009 at 07:03:28PM | |
| $25.00 | Mathematics | STATISTICS | week 2 assignment 2 and assignment 3 solutions
...rd deviation is represented by the letter s . The population variance is given by the greek letter sigma^2 and the sample variance is given by s^2. <br><br>... | Apr. 07, 2009 at 12:28:17AM | |
| $8.00 | Mathematics | Statistics help | A+ Solution
...roduced a mean of 84 and a standard deviation of 8. Find the 99% confidence interval for the population mean. Assume the population is n... | Mar 30, 2009 at 12:20:23PM | |
| $12.00 | Mathematics | MA330 Decision Science - Statistics | MA330 decision science assignment solution
... z) = <br>sx is the sample standard deviation<br>n is the sample size <br><br>The sample mean x(bar) = 525... | Mar 30, 2009 at 06:03:39PM | |
| $25.00 | Mathematics | Confidence Interval Estimates | Step by step solution for Confidence_Interval_Estimates
...l value of the t at 0.05 level of significance with 9 degrees of freedom is given by <br><br>The t –value for a 95% confidence interval = t/2,(10-1) = t0.025,9= 2.120<br>Confidence...... | Mar 28, 2009 at 6:06:31PM | |
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...cted.<br>a. value of b. p value<br>c. probability of committing of Type I error d. value of 1- <br><br>3) We say that sample results are significant when ________________...... | Mar 28, 2009 at 11:42:44PM | |
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...s is a statement about the value of an unknown parameter; for example the mean <br>lifetime of smokers is less than that of non-smokers. A hypothesis test is where we collect a representative...... | Mar 28, 2009 at 10:28:27PM | |
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...tandard deviation of the mean? <br><br> 68.26% of all possible s... | Mar 25, 2009 at 9:35:59PM | |
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... correct<br><br>4. <br>A 95% confidence interval infers that the population mean: <br> A) is be... | Mar 25, 2009 at 11:13:07PM | |
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...ero? <br> A) mode<br> B) mean<br> C) median<br> D) geometric mean<br> E) none of th... | Mar 25, 2009 at 11:07:41PM | |
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... Xi/n = (89+90+87+95+86+81+102+105+83+88+91+79) / 12<br> ... | Mar 24, 2009 at 11:24:49PM | |
| $1.00 | Mathematics | 27x + 9 = 13x + 51 | Correct solution for 27x + 9 = 13x + 51
...n:<br>27x + 9 = 13x + 5... | Mar 24, 2009 at 06:26:04PM | |
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...lution:<br>9m - 3= - 39<br>... | Mar 24, 2009 at 05:34:16PM | |
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...f 4/5 of a number is 16, what is 1/5 of the number?<br>What is the ... | Mar 24, 2009 at 05:29:45PM | |
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... day, you have the same distance, but the speed is increased by 12! The time is also less,... | Mar 24, 2009 at 05:22:00PM | |
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...the values for logx increase... | Mar 24, 2009 at 04:37:25PM | |
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...e:<br>Z/2 = Z0.02/2 = Z0.01 = <br><br> Test statistic:<br> Z = <br> Sample size = n = 36<br> Sample mean = = 12<br> Sample standard de... | Mar 23, 2009 at 11:56:24PM | |
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...ation is rarely known.<br>One will be able to know that the sample is normal distribution when there exists a symmetric curve for the fitted data, the sample should have a unimodal and the area...... | Mar 23, 2009 at 08:33:06PM | |
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... = 5 ------ (1)<br>2x+y+4z =-3 ---- (3)<br>4X+5Z =2----- (4)<br><br>Add from equation (2) and (3)*3 we g... | Mar 23, 2009 at 05:40:54PM | |
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...l fans is<br>a. Exactly eight<br>b. At least eight<br>c. Less than eight<br> <br><br>Solution:<br><br>x P... | Mar 21, 2009 at 11:33:55PM | |
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... y = x2 + 5x – 7<br><br> A) x = 5 B) x = ... | Mar 20, 2009 at 06:35:33PM | |
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... For a specific confidence interval, the larger the sample size, the smaller the maximum error of estimate will be.... | Mar 19, 2009 at 04:03:55PM | |
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... possibilities, so that there is a uniform distribut... | Mar 18, 2009 at 07:32:52PM | |
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...nt are we that the value is correct?” Obviously,<br>this will depend on a number of factors, including the sample size. This question will be answered from confidence interval – ie a... | Mar 17, 2009 at 9:37:45PM | |
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... n) If x, <0, find the values of 2 -7x<br><br><br>23. Solve the follo... | Mar 16, 2009 at 08:26:07PM | |
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... <br> <br> 5 sample size <br> <br> ± .878 critical value .05 (two-tail)<br> ± .959 critical value .01 (two-tail)<br><br>The coefficient of...... | Mar 14, 2009 at 08:58:51PM | |
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...s from above.<br> <br> _______3.3486___________________________ df = ___________3____________... | Mar 13, 2009 at 11:23:24PM | |
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...defective. <br>b) Find the probability that this shipment is not accepted if 10% of this shipment is defect... | Mar 12, 2009 at 1:34:41PM | |
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...x-3)(3x-28)<br>Setting V’(x) = 0 gives critical points x =3 and x= 28/3 . however given th... | Mar 12, 2009 at 06:05:06PM | |
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... store in Hutchinson, Kansas.<br><br>Answer: Ratio scale of measurement is used because the variable considered is a numeric quantity <br><br><br>b. Number of merchandise...... | Mar 12, 2009 at 05:33:20PM | |
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...requency is at least five then you can use the normal distribution to approximate (much like the binomial). If the expected <br>The following are properties of the goodness-of-fit test <br>...... | Mar 11, 2009 at 08:11:18PM | |
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...ds<br>Solution:<br>(a) P (AUB)<br>P (AUB) = P (A) + P (B) - P (A B)<br>= 0.7+... | Mar 11, 2009 at 05:28:31PM | |
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...on:<br>The problem fol... | Mar 11, 2009 at 05:22:27PM | |
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...em follows a Binomial dis... | Mar 11, 2009 at 05:21:10PM | |
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