Question

Call a household prosperous if its income exceeds $200,000. Call the household educated if the householder complete college. Select an American household at random, and let A be the event that the selected household is prosperous and B the event that it is educated. According to the Current Population Survey, P(A) = 0.153, P(B) = 0.278, and the probability that a household is both prosperous and educated is P(A and B)= 0.084. What is the probability that the household selected is either prosperous or educated?

	I.	0.423
	II.	0.317
	III.	0.289
	IV.	0.347

Answer 1