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Mathematics 9 Online
OpenStudy (anonymous):

you roll 2 dice. What is the probability that you roll a total of 3 or 5 on the 2 dice?

OpenStudy (ash2326):

@ayojenn could you tell the no. of ways we could get 3 or 5?

OpenStudy (anonymous):

4??

OpenStudy (anonymous):

2 on each dice?

OpenStudy (anonymous):

you can sum 3 by this ways: 1+2 2+1

OpenStudy (anonymous):

can you show haow you could get 5

OpenStudy (anonymous):

3 + 2 4+1

OpenStudy (anonymous):

and the oposit too: 2+3 1+4

OpenStudy (anonymous):

yes yes!

OpenStudy (anonymous):

so total is: 2 ways of hetting 3 and 4 ways of getting 5 = 6

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

now we need to find total combinations possible

OpenStudy (anonymous):

how do we do that?

OpenStudy (anonymous):

i will draw you a tree, :)

OpenStudy (anonymous):

OKAY! :D

OpenStudy (anonymous):

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