probability

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Two dice can be tossed in 36 ways. In how many of these is the sum equal to:

a.) 4

b.) 7

c.) 11

• probability -

How many ways can 4 be made up:
1 3
2 2
3 1
That makes 3 ways out of 36.
Probability = 3/36 = 1/12
Repeat same for 7 and 11.

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