Made in the USA

Suppose 78 of 118 randomly selected shoppers believe that “Made in the USA” means that100% of labor and materials are from the United States. Let p represent the true proportion of consumers who believe “Made in the USA” means 100% of labor and materials are from the United States. 
a. Calculate a point of estimate for p
b.A claim is made that p=0.60 Set up the null and alternative hypothesis to test this claim
c. calculate the test statistic for the test part b