Based on the survey results, which statement is NOT true?

A. If 160 students bought a cookie, approximately 18 students would buy a sugar cookie.

B.22 12
% of the students surveyed would buy a sugar cookie.

C. If 240 students were to purchase a cookie from the store, approximately 66 students would purchase a peanut butter cookie.

D. Half of the students prefer chocolate chip or oatmeal raisin cookies.

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?