?Morality In a recent poll, the Gallup Organization found that 45% of adult Americans believe that the overall state of moral values in the United Stat

Chapter 6, Problem 44

(choose chapter or problem)

Morality In a recent poll, the Gallup Organization found that 45% of adult Americans believe that the overall state of moral values in the United States is poor.

(a) Compute the mean and standard deviation of the random variable X, the number of adults who believe that the overall state of moral values in the United States is poor based on a random sample of 500 adult Americans.

(b) Interpret the meaning.

(c) Would it be unusual to identify 240 adult Americans who believe that the overall state of moral values in the United States is poor based on a random sample of 500 adult Americans? Why?

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