Mathematics, 22.09.2019 09:00 xojade

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. in which interval will 95% of the sample means occur?

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The mean percentage of a population of people eating out at least once a week is 57%, with a standar...