Let A be the event that a student is enrolled in an accounting course, and let S be the event that a student is enrolled in a statistics course.It is known that 30% of all students are enrolled in an accounting course and 40% of all students are enrolled in statistics.Included in these numbers are 15% who are enrolled in both statistics and accounting.Find the probability that a student is in accounting and is also in statistics.
A)0.15
B)0.70
C)0.55
D)0.12
E)0.60

Question

Quizplus · Accepted Answer

P(A and S) = P(A) + P(S) - P(A or S)= 0.30 + 0.40 - 0.15= 0.15

Let a Be the Event That a Student Is Enrolled