Question

a die is thrown twice. find probility that (1)= 3 will not come up either time ? ..... (2)=3 will come up at least once?

Answer 1

A dice is thrown twice then the probability that 3 will not come up either time is 10/12= 5/6

A dice is thrown twice then the probability 3 will come up at least once is 2/12 = 1/6