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
3 answers
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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
3/64
1/4
1/20
1/30
16 marbles total
4 are red
So, P(red,red) = 4/16 * 3/15
thank you oobleck
14 answers