If the price of a freezer having capacity X cubic feet is 30X

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10. An outdoor shed store sells three different models of shed having 13.5, 15.9 and 19.1 cubic feet of
storage space, respectively. Let X = the amount of storage space (capacity) of the freezer purchased by the
next customer. Suppose that E(X) = 16.7, Var(X) = 4.6 and X has probability mass function given by the
table below.
13.5
15.9
19.1
P(x)
.2
.4
.4
If the price of a freezer having capacity X cubic feet is 30X, what is the expected value of the price paid
by the next customer to buy a freezer?
Transcribed Image Text:10. An outdoor shed store sells three different models of shed having 13.5, 15.9 and 19.1 cubic feet of storage space, respectively. Let X = the amount of storage space (capacity) of the freezer purchased by the next customer. Suppose that E(X) = 16.7, Var(X) = 4.6 and X has probability mass function given by the table below. 13.5 15.9 19.1 P(x) .2 .4 .4 If the price of a freezer having capacity X cubic feet is 30X, what is the expected value of the price paid by the next customer to buy a freezer?
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