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The diagram shows the contents of a jar of marbles. You select two marbles at random. One marble is drawn and not replaced. Then a second marble is drawn. What is the probability of selecting a red marble and then another red marble?

A. start fraction 3 over 64 end fraction
B. one-fourth
C. Fraction is 1 over 20
D. start fraction 1 over 30 end fraction

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  1. //dlap.gradpoint.com/dlap.ashx?cmd=getresource&entityid=12372948&path=content%2Fmedia%2F680584-442012-84545-AM-2126255249.png&version=1

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  2. what's all this start fraction ... end fraction BS? Just write the fractions.
    3/64
    1/4
    1/20
    1/30

    16 marbles total
    4 are red
    So, P(red,red) = 4/16 * 3/15

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  3. thank you oobleck

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