view question and its corresponding solution related to this thread.
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the answer should be 1/2
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Sat, 11/28/2009 - 21:18
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total no. of ways in which dice can come = 4x4x4= 64
calculate the no. of wasy in which we can get the sum of atleast 8
4+1+3 (change 2nd and 3rd above 1,3 =2+3+4+4 = 13)
3+1+4 (change 2nd and 3rd above 1, 4 = 1+2+3+4 = 10)
2+2+4 (change 2nd and 3rd above 2,3 = 1+2+3 = 6)
1+3+4 (change 2nd and 3rd above 3,4 = 1+2 = 3)
total = 13+10+6+3 =32
so probability = 32/64 =1/2.