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  3. refer to the probability distribution in section 31 exercise 8...

Question: refer to the probability distribution in section 31 exercise 8...

Question details

8. Stone Pizza Place sells 5 different sizes of round pizza. Using sales data from last year, the following table lists the diameter of pizzas sold and the corresponding probabilities that a randomly selected customer will order one of them. Diameter (inches) 10 12 14 16 18 Probability 0.05 0.10 0.30 0.40 0.15

Refer to the probability distribution in Section 3.1 Exercise 8 of the text above.

1) Calculate the standard deviation of the random variable.

2) Calculate the expected value for the random variable.

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