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Suppose that x represents the number of cars sold at a dealership in a randomly selected...

Suppose that x represents the number of cars sold at a dealership in a randomly selected single day. The probability distribution of x is given in the table below.

x 4 5 6 7 8 9 10

p ( x ) 0.02 0.10 0.18 0.28 0.31 0.09 0.02

What is the mean number of cars, μ , sold per day at the dealership? Give your answer in decimal form precise to two decimal places.

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