Report for each requested hypothesis test: the null and alternative hypothesis; the test statistic and p-value; whether you reject or fail to reject the null; and a concise statement of your conclusion.Use a 5% test size.

1.An automobile dealer wants information regarding the proportion of customers who still own the car they purchased 5 years earlier.A random sample of 200 customers finds that 85 still own the car they purchased 5 years earlier. Conduct a hypothesis test of the claim that 50% of customers still own the car they purchased 5 years earlier.