QUESTION 6 Use the given information to find the minimum sample size required to estimate an...

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Question

Answer 1

Answer #1

Ans:

Given that

population standard deviation=25

Margin of error=3.4

z=1.64

Sample size required=(1.64*25/3.4)^2=145*

*(if z=1.645,then n=147)

Answer 2

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