Mathematics, 07.05.2021 09:40 ramosramos142
2. A poll asks a random sample of 500 parents whether they prefer traditional public schools or
charter schools for their children. Suppose that 30% of parents in the population prefer charter
schools.
a) What is the mean of the sampling distribution of p, the proportion of adults in the
samples of 500 who prefer charter schools?
b) What is the standard deviation of p?
c) What is the probability that more than 35% of the sample are in favor of charter schools?
Answers: 1
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2. A poll asks a random sample of 500 parents whether they prefer traditional public schools or
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