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Suppose that a recent poll found That 45% of adults believe that the overall state of moral values is poor. Complete parts (a) through {c}.

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Suppose that a recent poll found That 45% of adults believe that the overall state of moral values is poor. Complete parts (a) through {c}. [a] For 500 randome selected adults, compute the mean and standard deviation of the random variable X, the number of adults who believe that the overall state of moral values is poor. The mean of X is -. [Round to the nearest whole number as needed} The standard deviation of X is . [Round to the nearest tenth as needed.) [b] Interpret the mean. Choose the correct answer below. O A. For every 50!] adults, the mean is the range that would be expected to believe that the overall state of moral values is poor. @I B. For every 500 adults, the mean is the number ofthem that would be expected to believe that The overall state of moral values is poor. 0 C. For every 50D adults, the mean is the minimum number of them that would be expected to believe That the overall state of moral values is poor. O D. For every 23!] adults, The mean is the maximum number ofthem That would be expected to believe that The overall state ofmoral values is poor. (c) Would it be unusual if 239 of the 500 adults surveyed believe that the overall state of moral values is poor? O Yes O No

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