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An appliance dealer sells three different models of freezers having 13.5, 15.9, and 19.1 cubic feet of storage space. Let x = the amount of storage space purchased by the next customer to buy a freezer. Suppose that x has the following probability distribution:
a. Calculate the mean and standard deviation of x.
b. Give an interpretation of the mean and standard deviation of x in the context of observing the outcomes of many purchases. |
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