If the probability of event A is .40 and the probability of event B is .35,what is the probability that event A or B will occur,if A and B are independent?
A).14
B).61
C).75
D)cannot be determined

Question

Quizplus · Accepted Answer

For independent events A and B, the probability that either A or B occurs is given by P(A or B) = P(A) + P(B) - P(A)P(B). Substituting the given probabilities: 0.40 + 0.35 - (0.40)(0.35) = 0.61.

If the Probability of Event a Is