A national survey of 1034 parents showed that 848 claimed pi

A national survey of 1034 parents showed that 848 claimed pizza was their children`s favorite food. a. Let p represent the porportion of all parents who claim that pizza is their children`s favorite food. Find the point of estimate p. b. Find an 85% confidence interval for p. Is the use of the normal approximatin to the binomial justified in this problem? Explain.