Access the miles per gallon data (MPG) on the text

Access the miles per gallon data (MPG) on the text website.
a. State the null and the alternative hypotheses in order to test whether the average MPG differs from 95.
b. Use Excel to calculate the value of the test statistic and the exact p-value.
c. At α = 0.05, can you conclude that the average MPG differs from 95?