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Thread: Need help with some Statistics Questions

  1. #1
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    Need help with some Statistics Questions




    In a certain population, 18% of the people have Rh-negative blood. A blood bank serving this population receives 95 blood donors on a particular day.
    (a) What is the probability that 10 or fewer are Rh-negative?
    (b) What is the probability that 15 to 20 (inclusive) of the donors are Rh-negative?

  2. #2
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    Re: Need help with some Statistics Questions


    sorry I'm new to the site, where is the answer posted?

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