score: 0 of 1 pt 6.2.44 Suppose that a recent poll found that 43% of adults believe that the overall state of moral values is poor. Complete parts (a) through (c) (a) For 450 randomly 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 )