Probability 8376

Three players roll the dice. They can start the game when a six is ​​rolled. Everyone rolls 1 time.
a) What is the probability that exactly one starts in the first round?
b) What is the probability that at least two start?

Correct answer:

p1 =  0.3472
p2 =  0.0741

Step-by-step explanation:

q=1/6=610.1667  p1=3 q (1q) (1q)=3 0.1667 (10.1667) (10.1667)=0.3472
p2=q q q+3 q q (1q)=0.1667 0.1667 0.1667+3 0.1667 0.1667 (10.1667)=0.0741

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