Hello
We know that
P(A) = 1 - P(A')
Putting in equation
P(A)/P(A') = 3/5
5 P(A) = 3 P(A')
5 (1 - P(A')) = 3 P(A')
5 - 5 P(A') = 3 P(A')
5 = 3 P(A') + 5 P(A')
5 = 8 P(A')
5/8 = P(A')
P(A') = 5/8
Written on Feb. 10, 2018, 1:24 p.m.
Hello
We know that
P(A) = 1 - P(A')
Putting in equation
P(A)/P(A') = 3/5
5 P(A) = 3 P(A')
5 (1 - P(A')) = 3 P(A')
5 - 5 P(A') = 3 P(A')
5 = 3 P(A') + 5 P(A')
5 = 8 P(A')
5/8 = P(A')
P(A') = 5/8
Written on Feb. 10, 2018, 1:24 p.m.