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Mathematics 17 Online
OpenStudy (anonymous):

What is the probability of rolling a sum of 5 if two regular 6-sided number cubes are rolled?

jimthompson5910 (jim_thompson5910):

hint: look at this page http://home.avvanta.com/~math/y1l17hp2h.html and look at the table where it says "This table shows you what the sum of 2 dice are with the number shown on each die"

OpenStudy (anonymous):

Thanks ^-^

jimthompson5910 (jim_thompson5910):

you're welcome

jimthompson5910 (jim_thompson5910):

tell me what answer you get

OpenStudy (anonymous):

i think it is 1/6 ..?

jimthompson5910 (jim_thompson5910):

in the table, how many times does 5 show up (ignore the column/row headers)

OpenStudy (anonymous):

4 times

jimthompson5910 (jim_thompson5910):

out of how many possibilities total?

OpenStudy (anonymous):

36

jimthompson5910 (jim_thompson5910):

so 4/36 = 1/9 is your answer

OpenStudy (anonymous):

ooooh now i understand how to do it ...thanks lots !!!

jimthompson5910 (jim_thompson5910):

you're welcome

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