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Mathematics 7 Online
OpenStudy (anonymous):

**Give medal to anyone who answers** 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? A. 55.89% – 58.11% B. 56.45% – 57.55% C. 56.54% – 57.46% D. 56.07% – 57.93% E. 55.34% – 58.669%

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