Mathematics, 27.07.2019 02:00, Mintfu8122

Arandom sample of 121 automobiles traveling on an interstate showed an average speed of 65 mph. from past information, it is known that the standard deviation of the population is 22 mph. if we are interested in determining an interval estimate for μ at 96.6% confidence, the z value to use is

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Arandom sample of 121 automobiles traveling on an interstate showed an average speed of 65 mph. from...