E- E E - 4. According to the school board, 48% of all the voters in the district support the referendum. Suppose a principal is interested in the proportions who support the referendum in a group of 38 parents. (a) What are the values of n and p? (b) What is the probability that the proportion of the group who support the referendum is at least two thirds? (c) What is the probability that the proportion of the group who support the referendum is no more than 20%? DI

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