In Canada, 72% of the voters are not in favour of the reinstatement of the deathpenalty. a) If three voters were selected at random what is the probability that  exactly 2 were not in favour of the death penalty, at most 2 were not in favour of the death penalty and at least 2 were not in favour of the death penalty. b) Suppose that a sample of n = 500 cases are observed. Let pˆ denote the proportion ofvoters in this sample not in favour of the reinstatement of the death penalty. Find the probability that the sample proportion, pˆ, is between 0.696 and 0.742, is at least 0.711, and is less than 0.685 or more than 0.726.

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