Economics Satistic Questions - StudentOfFortune.com

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royalsincvf
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$15.00 Economics Satistic Questions

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Due on Jul. 01, 2009
Asked on Jul 01, 2009 at 5:17:49PM

Q:

5) Suppose that P(A) = .6, P(B) = .3, and events A and B are mutually exclusive:

(a) Find the probability of A or B
(b) Find the probability of A and

9) Find: (a) the normal curve area which lies between z = .33 and z = .57; and,

(b) z if the normal curve area between z and + z is .7888

10) The number of ounces of soda that a vending machine dispenses per cup is normally distributed with a mean of 12 oz. and a standard deviation of 4 oz. Find the probability that:

(a) more than 16 oz. is dispensed in a cup; and,
(b) between 15 and 18 oz. are dispensed in a cup

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Rhemsis
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Posted on Jul 01, 2009 at 6:05:17PM

A:
Preview: ... swers to th ...

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sudipta

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Posted on Jul 01, 2009 at 6:30:39PM

A:
Preview: ... al curve area less than -z = 0.5 - 0.3944 = 0.1056 -z corresponding to this area is -1.2503 So, z = 1.2503 10a) Probability that more than 16 oz is dispensed in a cup = P(x & ...

The full tutorial is about 181 words long .