Question by triệu lệ dĩnh - Discuss with MathYouLike

triệu lệ dĩnh

14/07/2017 at 15:29

A party game played with a six-sided dice is fair if the chance ofwinning is equal to the chance of losing each time the dice is rolled.Which one of these games is fair?

(A) You win if you roll a 6.

(B) You win if you roll a 2 or a 5.

(C) You win if you roll a number greater than 4.

(D) You win if you roll a number less than 3.

(E) You win if you roll an odd number.

List of answers

Son Nguyen Cong 08/08/2017 at 16:13

The first game has the chance of winning is 1, the chance of losing is 5.(not fair)

The second game has the chance of winning is 2, the chance of losing is 4.(not fair)

The third game has the chance of winning is 2, the chance of losing is 4.(not fair)

The fourth game has the chance of winning is 2, the chance of losing is 4.(not fair)

The fifth game has the chance of winning is 3, the chance of losing is 3.(fair)

So the (E) game is fair.

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