SAT, 22.12.2021 22:30, dennittap

A rental car company claims the mean time to rent a car on their website is 60 seconds with a standard deviation of 22 seconds. A random sample 36 customers attempted to rent a car on the website. The mean time to rent was 55 seconds. Is this enough evidence to say that the mean time is less than the company’s claim? consider α=0. 5.

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A rental car company claims the mean time to rent a car on their website is 60 seconds with a standa...