. A researcher wishes to see if the mean number of days that abasic, low-price, small automobile sits on a dealer’s lot is 29. Asample of 30 automobile dealers has a mean of 30.1 days for thistype of automobile. At an alpha 0f 0.05, test the claim that themeantime is greater than 29 days. The standard deviation (sigma) ofthe population is 3.8 days.
a. Support the claim b. Do not support the claim