A laundry basket contains 30 socks, of which 9 are black. What is the probability that a randomly s

Discussion in 'Calculator Requests' started by math_celebrity, Mar 29, 2019.

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  1. math_celebrity

    math_celebrity Administrator Staff Member

    A laundry basket contains 30 socks, of which 9 are black. What is the probability that a randomly selected sock will be black?

    P(Black) = 9/30

    Simplifying, we can divide top and bottom by 3:
    3/10
    3/10 as a percentage is 30%
     
    math_celebrity, Mar 29, 2019
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