An appliance dealer sells three different models for upright

An appliance dealer sells three different models for upright freezers have 13. 5, 15. 9 and 19. 1 cubic feet of storage space respectively. Let X be the amount of storage space purchased by the next customer who buy a freezer. Suppose that X has the following probability distribution: Find the sample mean, and standard deviation of X. If the price of the freezer depends on the size of the storage space such that Price = 25X - 8. 5 What is the mean and standard deviation of Price?

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