Question: thank you for your time A simple random sample of birth weights in the United States has a mean of 3444 g. The standard deviation

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A simple random sample of birth weights in the United States has a mean of 3444 g. The standard deviation of all birth weights is 495 g. a) Using a sample size of 75, construct a 95% confidence interval estimate of the mean birth weight in the United States. b) Using a sample size of 75,000 construct a 95% confidence interval estimate of the mean birth weight in the United States. c) Which of the proceeding intervals is wider? Why

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