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Mathematics 7 Online
OpenStudy (anonymous):

WILL MEDAL AND FAN! A bag contains 7 green marbles, 9 red marbles, 10 orange marbles, 5 brown marbles, and 10 blue marbles. You choose a marble, replace it, and try again. What is P(red, then blue)? a. 77/164 b. 19/41 c. 90/1681 d. 45/41

OpenStudy (anonymous):

C. because you have to multiply the two fractions together. 9/41 x 10/41 = 90/1681.

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