5.88 Questionnaires, continued Refer to Exercise 5.87. n=20 questionnaires are sent out. a. What is the average

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5.88 Questionnaires, continued Refer to Exercise 5.87. n=20 questionnaires are sent out.

a. What is the average number of questionnaires that will be returned?

b. What is the standard deviation of the number of questionnaires that will be returned?

c. If x 10 of the 20 questionnaires are returned to the company, would you consider this to be an unusual response? Explain.

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