If P(A) = .62, P(B) = .47, and P(A ∪ B) = .88; then P(A ∩...

Question

Question

If P(A) = .62, P(B) = .47, and P(A ∪ B) = .88; then P(A ∩ B) =

a. .291

b. .210

c. .670

d. 1.970

math Statistics-And-Probability

Answer 1

Answer #1

Solution:

P(A) = .62

P(B) = .47

P(A B) = .88

P(A B) = P(A) + P(B) - P(A B)

= .62 + .47 - .88

P(A B) = .210

option b. is correct

Answer 2

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