If A and B are independent events with P(A)= 0.60 and P(B)= 0.70,then P(A or B)equals:
A)1.30
B)0.88
C)0.42
D)Cannot tell from the given information.

Question

Quizplus · Accepted Answer

We can use the formula: P(A or B) = P(A) + P(B) - P(A and B)

Since the events A and B are independent, P(A and B) = P(A) * P(B) = 0.60 * 0.70 = 0.42

Therefore, P(A or B) = 0.60 + 0.70 - 0.42 = 0.88

So, the correct answer is B.

If a and B Are Independent Events with P(A)= 0