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I Need help with finite math problem

Mathematics
Tutor: None Selected Time limit: 0 Hours

Apr 24th, 2015

Probability  = desired outcomes / total possible outcomes.

 desired outcomes = rolling numbers whose sum is 8

                                =[(2, 6),  (3, 5), (4, 4), (5, 3), (6, 2)] = 5

                                = 5 desired outcomes

total possible outcomes= all the sets in the above table..

                                   = 36 possible outcomes


so propability of getting two numbers whose sum is 8  = 5/36 =1.3888= 1.39

ANSWER IS 

                             5/36

                           1.3888= 1.39    ..................................


hope you understood...please message if you have any doubts...thank you

 


Apr 24th, 2015

sorry................

i typed last line wrongly

 5/36 =0.13888= 0.139............................this is the answer

Apr 24th, 2015

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