#Probability

8 messages · Page 1 of 1 (latest)

remote hemlock
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  1. Paint the surface of the cube, then divide it into 1000 cubes. Find the probability that when one is chosen at random, both sides are stained
wet palm
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Its a 10×10×10 cube

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Do you mean 2 sides are stained/painted?

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If so, edges are 10 cubes, minus 2 for corners which have 3 stained faces

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And there are 12 such edges

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,calc 8*12

fierce oakBOT
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Result:

96
wet palm
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,calc 96/1000