A box contains 4 plain pencils and 4 pens. A second box contains 5 color pencils and 3 crayons. One

Discussion in 'Calculator Requests' started by math_celebrity, Feb 16, 2017.

  1. math_celebrity

    math_celebrity Administrator Staff Member

    A box contains 4 plain pencils and 4 pens. A second box contains 5 color pencils and 3 crayons. One item from each box is chosen at random. What is the probability that a pen from the first box and a crayon from the second box are selected?

    • First box, P(pen) = 4/8 = 1/2 = 0.5
    • Second box, P(crayon) = 3/8

    Since each event is independent, we have:
    P(Pen from Box 1) * P(Crayon from Box 2) = 1/2 * 3/8 = 3/16 or 0.1875

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