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Suppose a jar contains 15 red marbles and 19 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same time, find the probability that both are red.

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tramserran

Answer:    [tex]\bold{\dfrac{35}{187}}[/tex]

Step-by-step explanation:

1st marble  and   2nd marble

 [tex]\dfrac{15\ red}{34\ total}[/tex]       [tex]\times[/tex]        [tex]\dfrac{14\ red}{33\ total}[/tex]           [tex]=\dfrac{15\times 14}{34\times 33}=\dfrac{5\times 7}{17\times 11}= \boxed{\dfrac{35}{187}}[/tex]

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