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16 September, 12:51

Suppose that 14% of people are left handed. If 9 people are selected at random what is the probability that exactly 2 of them are left handed

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Answers (2)
  1. 16 September, 12:53
    0
    Step-by-step explanation:

    2 percent
  2. 16 September, 13:16
    0
    0.245

    Step-by-step explanation:

    This is a case of binomial probability, since either a person is left-handed or is not left-handed. Then:

    P (left-handed) = 0.14

    and the binomial probability of interest is found using a calculator with distribution functions:

    binompdf (9,0.14,2) = 0.245
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