Question

A and B are independent events. If P(A) = 0.50 and P(A and B) = 0.20, find P(B).

Answer 1

The independent events are illustrations of probability, and the value of P(B) is 0.40

How to determine the value of P(B)?

The given parameters are:

P(A) = 0.50

P(A and B) = 0.20

Two events A and B are independent, if

P(A and B) = P(A) * P(B)

So, we have:

0.50 * P(B) = 0.20

Divide both sides by 0.50

P(B) = 0.40

Hence, the value of P(B) is 0.40

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