The lowest and highest observations in a population are 20 and 80, respectively What is the minimum sample size n required to estimate with 80 confidence if the desired margin of error is D 2 6 What happens to n if you decide to estimate with 95 confidence P 69 ...

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The lowest and highest observations in a population are 20 and 80, respectively. What is the minimum

Question:

The lowest and highest observations in a population are 20 and 80, respectively. What is the minimum sample size n required to estimate µ with 80% confidence if the desired margin of error is D = 2.6? What happens to n if you decide to estimate µ with 95% confidence? P-69

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