You are given the sample mean and the population standard deviation. Use this information to construct 90% and 95% confidence intervals for the popula

Phoebe

Phoebe

Answered question

2021-05-08

You are given the sample mean and the population standard deviation. Use this information to construct 90% and 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals. From a random sample of 24 months from January 2006 through December 2016, the mean number of tornadoes per month in the United States was about 100. Assume the population standard deviation is 114.

Answer & Explanation

d2saint0

d2saint0

Skilled2021-05-09Added 89 answers

90% confidence interval: (61.7206, 138.2794)
95% confidence interval: (54.3905, 145.6095)

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