1 point You measure the lifetime of a random sample of 64

Last updated: 5/18/2023

1 point You measure the lifetime of a random sample of 64 tires of a certain brand The sample mean is x 50 months Suppose that the lifetimes for tires of this brand follow a Normal distribution with unknown mean and standard deviation o 5 months A 90 confidence interval for u is 49 8 to 50 2