A marketing firm tracks data on grocery store visits In one study it finds that the probability that a shopper buys bread during

Question

A marketing firm tracks data on grocery store visits In one study it finds that the probability that a shopper buys bread during a visit to the grocery store is 0 60 and the probability that a shopper buys cheese is 0 20 Event A A shopper buys bread Event B A shopper buys cheese A and B are independent events if A the probability of buying bread or cheese is 0 80 OB the probability of buying bread and cheese is 0 C the probability of buying bread or cheese is 0 12 OD the probability of buying bread and cheese is 0 12

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