Can you help me with part d? Thanks!

1. A new brand of breakfast cereal is being market tested. One hundred boxes of the cereal were given to consumers to try. The consumers were asked whether they like disliked the cereal. You are given their responses below. Response Frequency Liked 60 Disliked Q 100 a. What is the point estimate of the proportion of the people who will like the cere b. What is the margin of error of a 95% confidence interval for the population proportion? c. Construct a 95% Confidence Interval for the proportion of all consumers who wil like the cereal. d. With 095 probability, what sample size is needed to provide a margin of error 0' 0.09 or less