The Metropolitan Bus Company claims that the mean waiting time for a bus during rush hour is less than 5
minutes. A random sample of 20 waiting times has a mean of 3.7 minutes with a standard deviation of 2.1
minutes. At α $\alpha$ = 0.01, test the bus companyʹs claim. Assume the distribution is normally distributed.

Question

Quizplus · Accepted Answer

The Answer of The Metropolitan Bus Company claims that the mean waiting time for a bus during rush hour is less than 5
minutes. A random sample of 20 waiting times has a mean of 3.7 minutes with a standard deviation of 2.1
minutes. At α $\alpha$ = 0.01, test the bus companyʹs claim. Assume the distribution is normally distributed.

The Metropolitan Bus Company Claims That the Mean Waiting Time α\alphaα

The Metropolitan Bus Company Claims That the Mean Waiting Time $\alpha$