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In a game, if you roll a 6 on a 6-sided number cube, you lose a turn.


(a) What is the probability that you roll a 6? Explain your reasoning.


(b) What is the probability that you either roll a 6 or do not roll a 6? Explain your reasoning.


(c) What is the probability that you don’t roll a 6? Explain your reasoning.

Respuesta :

a) There are 6 sides, one of them having 6 on it. Therefore, the chances is 1/6.

b) Rolling a six or not rolling a six is guaranteed, because there is no other option. The probability is 1.

c) There are 6 sides, five of them not having a 6. So, the probability is 5/6.

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