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An American Medical Association study showed 20% of all Americans suffer from high blood pressure. Suppose...

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Statistics

  1. An American Medical Association study showed 20% of allAmericans suffer from high blood pressure. Suppose we randomlysample ten Americans to determine the number in the sample who havehigh blood pressure.
  1. What is the probability at most two persons have high bloodpressure? _____

  1. What is the probability exactly five persons have high bloodpressure? _____

  1. What is the probability between two and six persons, inclusive,have high blood pressure? ______

  1. What is the variance of the number of persons who have highblood pressure (in random samples of ten individuals)? _______

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