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Maksim231197 [3]
3 years ago
15

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

ng a visit to the grocery store is 0.70, 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 _____.

Mathematics
2 answers:
notsponge [240]3 years ago
9 0

Answer:

B

Step-by-step explanation:

timurjin [86]3 years ago
7 0

Answer:

Option B.

Step-by-step explanation:

Two events are said to be independent of each other, if the probability of one event ocurrin in not way affects the probability of the other event occurring.

The interception of two independent events P(A ∩ B) = P(A) × P(B), where:

P(A) = 0.70

P(B) = 0.20

P(A ∩ B) = P(A) × P(B) = 0.70x0.20 = 0.14

The two events are independent if the probability of buying Bread AND cheese equals: 0.14, which is Option B.

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