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    Exam 9: Hypothesis Tests
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    It Is Known That the Population Variance \(\sigma\) <Sup>2</sup>) Is 144
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It Is Known That the Population Variance σ\sigmaσ 2) Is 144

Question 90

Question 90

Multiple Choice

It is known that the population variance ( σ\sigmaσ 2) is 144. At 95% confidence, what size sample should be taken so that the margin of error is does not exceed 5 or less?


A) 22
B) 23
C) 24
D) 25

Correct Answer:

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