Using the data in the excel file Consumer Transportation Survey, test the following null hypotheses:

a$.$ Individuals spend at least eight hours per week in their vehicles.

b$.$ Individuals drive an average of $600$ miles per week.

c$.$ The average age of SUV drivers is no greater than $35.$

d$.$ At least $80\%$ of individuals are satisfied with their vehicles.

Perform the calculations One Sample Hypothesis Test using the correct formulas and Excel functions.$|$