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14 November, 09:14

I the cafeteria there are 7 teachers 48 girls and 45 boys. What is the probability that a person chosen at random from the cafeteria is a boy

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  1. 14 November, 09:34
    0
    P (boys) = 9/20

    Step-by-step explanation:

    To find the probability, we first need to find the total

    7 teachers + 48 girls + 45 boys = 100

    P (boys) = boys/total

    = 45/100

    = 9/20
  2. 14 November, 09:34
    0
    Total people in the cafeteria = 7 + 48 + 45 = 100

    There are 45 boys.

    The probability would be the number of boys over the total number of people:

    45/100, which simplifies to 9/20
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