Dices throws

What is the probability that the two throws of the dice:

a) Six falls even once
b) Six will fall at least once

Correct result:

p1 =  0.6944
p2 =  0.3056


q1=160.1667 q2=1q1=10.1667=560.8333 p1=q22=0.83332=2536=0.6944
p2=q1+q1q1 q1=0.3056

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