Find probability of a random sample of adults are joggers

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Reference no: EM131764315

Question: Do you jog? The Gallup Poll once asked a random sample of 1540 adults, "Do you happen to jog?" Suppose that the true proportion of all adults who jog is p = 0.15.

(a) What is the mean of the sampling distribution of p^? Justify your answer.

(b) Find the standard deviation of the sampling distribution of p^ . Check that the 10% condition is met.

(d) Find the probability that between 13% and 17% of a random sample of 1540 adults are joggers.

Reference no: EM131764315

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