In Exercise 36, would it be unusual for the population mean to be over $90? Explain. Exercise
Question:
In Exercise 36, would it be unusual for the population mean to be over $90?
Explain.
Exercise 36
From a random sample of 36 business days during the year 2020, the mean closing price of Apple stock was $97.17. Assume the population standard deviation is $21.77.
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.
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