tolong donk cara no 11

n(S) = 10
A = kartu genap { 2, 4, 6, 8, 10 } ==> n(A) = 5
B = kartu prima { 2, 3, 5, 7 } ==> n(B) = 4
AnB = {2} ==> n(AnB) = 1
P(AUB) = P(A) + P(B) - P(AnB)
= n(A)/n(S) + n(B)/n(S) - n(AnB)/n(S)
= 5/10 + 4/10 - 1/10
= 8/10
= 4/5