Math, asked by nazmasulthana8154, 1 year ago

A pair of dice is rolled again and again till a total of 5 or 7 is obtained

Answers

Answered by syedahajera8886
0
pair of dice is rolled n(s)=6c2
die is rolled again and again till we obtained 5or 7 n(a)=12c5×12c7
p(a)=n(a)/n(s)
=12c5×12c7/6c2
=12c5×12c5/6c2
=528/5
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