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

Dolly Robinson

Dolly Robinson

Answered question

2021-05-26

You are given the sample mean and the population standard deviation. Create 90% and 95% confidence intervals for the population mean using this information. Interpret the results and compare the widths of the confidence intervals. From a random sample of 36 business days from February 24, 2016, through February 24, 2017, the mean closing price of Apple stock was $116.16. Assume the standard deviation for the population is $10.27.

Answer & Explanation

gotovub

gotovub

Skilled2021-05-27Added 98 answers

90% confidence interval: (113.3443, 118.9757)
95% confidence interval: (112.8051, 119.5149)

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