Julia enjoys jogging. She has been jogging over a period of several years, during which time her physical condition has remained constantly good. Usually she jogs 2 miles per day. The standard deviation of her time is 1.80 minutes. She has a random sample of 90 runs. The sample mean of the runs was 15.61 minutes. find the 80% confidence interval for the population mean time for Julie to run 2 miles.
Julia enjoys jogging. She has been jogging over a period of several years, during which time her physical condition has remained constantly good. Usually she jogs 2 miles per day. The standard deviation of her time is 1.80 minutes. She has a random sample of 90 runs. The sample mean of the runs was 15.61 minutes. find the 80% confidence interval for the population mean time for Julie to run 2 miles.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Julia enjoys jogging. She has been jogging over a period of several years, during which time her physical condition has remained constantly good. Usually she jogs 2 miles per day. The standard deviation of her time is 1.80 minutes. She has a random sample of 90 runs. The sample mean of the runs was 15.61 minutes.
find the 80% confidence interval for the population mean time for Julie to run 2 miles.
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