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

Question

Gillian Irwin

Mathematics

13 July, 16:41

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

+4

Answers (1)

Know the Answer?

Morgan Cantrell · Answer 1

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)

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 3/8what is the expected value of a pair of sneakers?A$28B$48C$56D$58