Question

PLEASE HELPED TIMEDD
60% of the students in Mr. MacGregor’s class did not earn a As on their final projects. 7% of the students who received As on their final projects also received As on their final exams. Find the probability that a student chosen at random received an A on both the final exam and the final project.
A 7/250
B 7/100
C 2/5
D 3/5

Answer 1

P(not As at final)) = 0.6
P(of As at final)  0.4
P( 7% AND 40%) = (7%) x (40%) = 7/250 Answer A