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A group of young businesswomen wish to open a high fashion boutique in a vacant store but only if the average income of households in the area is at least $25,000. A random sample of 9 households showed the following results.

$28,000	$24,000	$26,000	$25,000
$23,000	$27,000	$26,000	$22,000
$24,000

Assume the population of incomes is normally distributed.

a.	Compute the sample mean and the standard deviation.
b.	State the hypotheses for this problem.
c.	Compute the test statistic.
d.	At 95% confidence using the p-value approach, what is your conclusion?

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Science-Related Homework Help Statistics and Probability Topic started by: CountrySlim84 on Mar 5, 2023