In a recent survey, 772 out of 1000 people said they intended to buy a new car in the next 3 years. Use a 0.05 significance level to test the claim that more than 75% of people will buy a new car in...

In a recent survey, 772 out of 1000 people said they intended to buy a new
car in the next 3 years. Use a 0.05 significance level to test the claim that more than 75% of people will buy a new car in the next 3 years.
(a) List the null hypothesis H0 and the alternative hypothesis Ha for this test.
(b) Compute the value of the test statistic z =
pˆ− p
qpq
n
(c) Determine the p-value: