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[Solution Library] Seventy-seven students at the University of Virginia were asked to keep a diary of a conversation with their mothers, recording any lies

Question: Seventy-seven students at the University of Virginia were asked to keep a diary of a conversation with their mothers, recording any lies they told during these conversations (San Luis Obispo Telegram-Tribune, Aug. 16, 1995). It was reported that the mean number of lies per conversation was 0.5. Suppose that the standard deviation was 0.4. Suppose that this group of 77 students is a random sample of the population of students at this university. Construct a 95% confidence interval for the mean number of lies per conversation for this population. Interpret your results.

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