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# (Solved): Suppose that a researcher is interested in estimating the mean systolic blood pressure, , of exec ...

Suppose that a researcher is interested in estimating the mean systolic blood pressure, , of executives of major corporations. He plans to use the blood pressures of a random sample of executives of major corporations to estimate . Assuming that the standard deviation of the population of systolic blood pressures of executives of major corporations is , what is the minimum sample size needed for the researcher to be conflident that his estimate is within of ? Carry your intermediate computations to at least three decimal places. Write your answer as a whole number (and make sure that it is the minimum whele number that satisfies the requirements). (If necessary, consult a fist of tormulas:)

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