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22 September, 04:59

The prices of three sneaker styles are $48,$56, and $72. the probability of choosing the $48 sneaker style is 1/2. the probability of choosing the $56 sneaker style is 1/8. the probability of choosing the $72 sneaker style is 3/8

what is the expected value of a pair of sneakers?

A$28

B$48

C$56

D$58

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Answers (1)
  1. 22 September, 08:26
    0
    Multiply each of the 3 prices by the associated probability, and then add up these three products:

    ($48) (1/2) + ($56) (1/8) + ($72) (3/8) = $24 + $7 + $27 = $58 (answer)
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