Saturday

January 31, 2015

January 31, 2015

Posted by **D.** on Saturday, June 13, 2009 at 12:07pm.

a. What is the probability that you will choose a red marble and then a blue marble without replacing the red one?

b. What is the probability that you will choose two red marbles in a row without replacing the first one?

- Math -
**economyst**, Saturday, June 13, 2009 at 7:36pma) 2/6 picking the red and 2/5 picking the blue. (2/6)*(2/5) = 4/30

b) (2/6) picking the red (1/5) picking the second (2/6)*(1/5) = 2/30

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