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Statistic

posted by on .

Under 20 21-30 31-40

Male 12 12 17

Female 13 16 21

If two people are selected at random, what is the probability they are both female?

  • Statistic - ,

    There are a total of 41 males and 50 females. The probability of picking two females a row (if each can be picked only once) is (50/91)x(49/90)
    = 0.2991

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