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May 29, 2015

Homework Help: Pre-Cal

Posted by Lucy on Saturday, January 3, 2009 at 4:06pm.

a red number cube and a white number cube are rolled. Find the probability that the red number cube shows a 2, given that the sum showing on the two number cubes is less than or equal to 5.

My work: (red cube = [1,2,3,4]
white cube = [4,3,2,1]

Probability of a 2 on the red cube is 1/4. Is this correct?

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