Let A and B be events with P(A) = 0.61 and P(A ∩ B) = 0.39. For what value of P(B) will A and B be independent?

Explanation:

Given

Required

Determine P(B)

If A and B are independent, then:

Substitute values for P(A) and P(A n B)

Make P(B) the subject

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