Dimas is playing a game that uses a number cube. The sides of the cube are labeled from 1 to 6. Dimas wants to roll a 2 or a 3. He rolls the number cube one time. What is the probability that he will roll a 2 or a 3? A 1/2 B. 1/3 C. 2/3 D. 1/6

Respuesta :

B. 1/3

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The probability that he will roll a 2 or a 3 if the sides of the cube are labelled from 1 to 6is 1/3

Probability is the likelihood or chance that an event will occur. Mathematically;

Probability = Expected outcome/Total outcome

If the sides of the cube that Dimas is playing is labelled 1 -6, the total outcome will be 6.

If a 2 is rolled, the probability of rolling a 2 will be 1/6

if a 3 is rolled, the probability of rolling a 3 will be 1/6

Pr(he will roll a 2 or 3) = 1/6 + 1/6

Pr(he will roll a 2 or 3)  = 2/6

Pr(he will roll a 2 or 3) = 1/3

Hence the probability that he will roll a 2 or a 3 is 1/3

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