Question

The mean percentage of a population of people eating out at least once a week is 57% with a standard deviation of 3.5%. Assume that a sample size of 40 people was surveyed from the population an infinite number of times. 95% of the sample mean occurs between % and %.

Answer 1

Explanation:

Answer 2

95% of the sample mean occurs between 56.45% and 57.55%

Explanation:

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