1/5( 1/2 + 1/3)
1/5 (3/6 + 2/6)
1/5(5/6)
5/30
1/6
Step-by-step explanation:
both events need to happen , so it is a combined event, and the probability is the product of both individual probabilities.
so, the probability for a random customer to buy both is
0.28×0.24 = 0.0672.
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