Find the probability that either event A or B occurs if the chance of A occurring is 0.5,the chance of B occurring is 0.3,and events A and B are independent.
A)0.80
B)0.15
C)0.65
D)0.85

Question

Quizplus · Accepted Answer

The probability of either event A or B occurring is given by P(A or B) = P(A) + P(B) - P(A and B). Since A and B are independent, P(A and B) = P(A) * P(B) = 0.5 * 0.3 = 0.15. Therefore, P(A or B) = 0.5 + 0.3 - 0.15 = 0.65.

Find the Probability That Either Event a or B Occurs