Do 1.50 divided by 3 to get the unit price.
X=7/2 which is equal to 3.5
By definition of conditional probability,
P(B | A) = P(A ∩ B)/P(A) = (13/25) / (13/20) = 20/25 = 4/5
2(319) +3(264) = 1430
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Answer:
Answer is A U B = {3,5,7}
