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Withdrawal symptoms may occur when a person using a painkiller stops using it. For a certain, widely taken painkiller, withdrawal symptoms occur in 12% of people who have stopped using the painkiller. Suppose that we will take a random sample of 8 people who have stopped using the painkiller. Let p represent the proportion of people from the sample who experienced withdrawal symptoms. Consider the sampling distribution of the sample proportion p. Complete the following. Carry your intermediate computations to four or more decimal places. Write your answers with two decimal places, rounding if needed. (a) Find HA (the mean of the sampling distribution of the sample proportion). HA = 11 X P 5 ? (b) Find GA (the standard deviation of the sampling distribution of the sample proportion). On = 1 X 5