# math

The probability of getting a sum of 5 when you roll two number cubes
is How many times should you expect to get a sum of 5 if you roll
the cubes each number of times?
a. 9 b. 18 c. 27 d. 100 e. 450

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1. --- 1 2 3 4 5 6
1========1,4
2 =====2,3
3 ==3,2
4=4,1
5
6
four out of 36 = 1/9

that is one out of every nine
so
a once
b twice
c three times
d 100/9 = about 11 times
e 450/9 = 50 times

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posted by Damon

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