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21 August, 19:30

There are 5 red roses, 3 yellow roses, and 8 white roses in a tray. If Stephanie picked 2 roses one after the other without replacing, then what is the probability of picking a white rose first and a red rose next?

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  1. 21 August, 19:49
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    So probility is (disired outcomes) divided by (total possible outcomes) so

    1st one is white roses

    8 white roses so 8 is disired

    total=5+3+8=16

    8/16=1/2

    then without replacing them

    red=5

    total possible=16-1 since 1 picked

    5/15=1/3

    then multiply the probatilities

    1/2 times 1/3=1/6

    it is a 1 in 6 probability
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