Quesiton: Suppose you sample 40 items of data from a population. The mean of the

Question

Quesiton: Suppose you sample 40 items of data from a population. The mean of these 40 items is 100. Also, you happen to know that the standard deviation of the population is 5. Find a 92% confidence interval. Quesiton: Suppose you sample 40 items of data from a population. The mean of these 40 items is 100. Also, you happen to know that the standard deviation of the population is 5. Find a 92% confidence interval. Quesiton: Suppose you sample 40 items of data from a population. The mean of these 40 items is 100. Also, you happen to know that the standard deviation of the population is 5. Find a 92% confidence interval.

Explanation / Answer

92% confidence intreval value=1.75

100+-1.75*5/ sq.root 40

100+-8.75/6.3246

100+-1.3835

98.6165,101.3835

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