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Zarrin [17]
3 years ago
15

Suppose that the probabilities of a customer purchasing​ 0, 1, or 2 books at a book store are 0.20.2​, 0.20.2​, and 0.60.6​, res

pectively. what is the expected number of books a customer will​ purchase?
Mathematics
1 answer:
jarptica [38.1K]3 years ago
6 0

Form the sum of products of probability and number of books:

0.2×0 +0.2×1 +0.6×2 = 0 +.2 +1.2 = 1.4 books

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