A five-sided a solid has the numbers 1 2 3 4 and 5 what is the probability of rolling two five sided number solids and getting a sum of either 3 or 8

Question

Mathematics

Sandra Lara

30 June, 06:27

A five-sided a solid has the numbers 1 2 3 4 and 5 what is the probability of rolling two five sided number solids and getting a sum of either 3 or 8

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Answers (1)

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Trent Alexander · Answer 1

So:

1: 1 2 3 4 5

2: 1 2 3 4 5

3: 1 2 3 4 5

4: 1 2 3 4 5

5: 1 2 3 4 5

So: there are 25 possibilities

of those 25, only 2 give a sum of 3 and 3 give a sum of 8

so 5/25

is 1/5

which is 20% probability or 1/5