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nickeh30
26.05.2020 •
Mathematics
Alberto conducted an experiment by rolling a fair six-sided number cube 60 times. He rolled a 2 fifteen times. Which statement about rolling a 2 in Alberto’s experiment is correct?
The experimental probability of rolling a 2 is One-third and the theoretical probability of rolling a 2 is One-fourth.
The experimental probability of rolling a 2 is One-fourth and the theoretical probability of rolling a 2 is One-third.
The experimental probability of rolling a 2 is One-fourth and the theoretical probability of rolling a 2 is One-sixth.
The experimental probability of rolling a 2 is One-sixth and the theoretical probability of rolling a 2 is One-fourth.
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Ответ:
Fair six sided die : fair 6 chances
2 rolled 15 times out of 60 rolls
60/6 = 10
The theoretical probability of rolling a 2 is 10/60 or 1/6.
However, he rolled a 2 15 times out of 60 rolls. That means 15/60 or 1/4.
So, the answer would be: "The experimental probability of rolling a 2 is one fourth and the theoretical probability of rolling a 2 is one sixth.
Ответ: