Population Mean - StudentOfFortune.com

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$1.00 Population Mean

From Mathematics: Statistics
Due on Dec. 03, 2009
Asked on Oct 31, 2009 at 1:27:33PM

Q:

A recent survey of 50 executives who were laid off from their previous position revealed

it took a mean of 26 weeks for them to find another position. The standard deviation of

the sample was 6.2 weeks. Construct a 95 percent confidence interval for the population

mean. Is it reasonable that the population mean is 28 weeks? Justify your answer

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wch1

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$2.00 correct answer

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Posted on Oct 31, 2009 at 1:36:29PM

A:
Preview: ... l is z = 1.96 Margin of error, E = z * SE = 1.96 * 0.8768 = 1.7186 Lower Limit of the confidence i ...

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genie09

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$2.00 here is your ans

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Posted on Oct 31, 2009 at 1:45:31PM

A:
Preview: ... ce is 1.96in the right and -1.96 in the left.Â -2.28 Confidence interval: X1 ...

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StatisticsExperts
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$1.00 Here is the solution tinktink........

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Posted on Nov 01, 2009 at 01:17:52PM

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Preview: ... ave attached ...

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Neel
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$0.75 Solution

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Posted on Nov 09, 2009 at 07:27:13PM

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Preview: ... I have at ...

The full tutorial is about 6 words long plus attachments.

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