Mathematics, 15.07.2020 02:01, itsmaddierae11
An appliance dealer sells three different models of upright freezers having 13.5, 15.9, and 19.1 cubic feet of storage space, respectively. Let X = the amount of storage space purchased by the next customer to buy a freezer. Suppose that X has the following pmf.
x 13.5 15.9 19.1
p(x) 0.20 0.59 0.21
Requried:
a. Compute E(X), E(X2), and V(X).
b. If the price of a freezer having capacity X cubic feet is 22X ? What is the expected price paid by the next customer to buy a freezer?
c. What is the variance of the price paid by the next customer?
Answers: 1
Mathematics, 21.06.2019 19:50, JS28boss
The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?
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Mathematics, 22.06.2019 01:30, heidiallen565
Arace is 10 kilometers long. markers will be placed at the beginning and end of the race course and at each 500 meter mark. how many markers are needed to mark the course for the race?
Answers: 3
An appliance dealer sells three different models of upright freezers having 13.5, 15.9, and 19.1 cub...
Mathematics, 12.09.2019 03:30
Mathematics, 12.09.2019 03:30
Mathematics, 12.09.2019 03:30