Below is the answer choices for the multiple choice question:What Condition is Matt for the t- distribution (the population is stated to be not skewed, or The sample size is larger than 30.)

A auto maker is interested in information about how long transmissions last. A sample of transmissions are run constantly and the number of miles before the transmission fails is recorded. The auto maker claims that the transmissions can run constantly for over 150,000 miles before failure. The results of the sample are given below. Miles (1000s of miles) Mean 150.7 Variance 4.551 Observations 42 Hypothesized Mean 150 df 41 t Stat 2.17 Ex: 1.234 P(T