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Assume a binomial probability distribution has p = .60 and n = 200.

c. What is the probability of 100 to 110 successes (to 4 decimals)?


d. What is the probability of 130 or more successes (to 4 decimals)?

  • statistics -

    c. z = (100-120)/(200sqrt(120*.4)

    z = (110-120)/200/sqrt(120*.4))

    d. z = (130-120)/200/sqrt((120*.4))

    Use Z table

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