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19 January, 23:48

A number cube is labeled 1-6 is rolled 200 times. Numbers 1-4 are rolled 137 times and numbers 5 and 6 are rolled the rest of the time. What is the theoretical probability of rolling a number 1-4 with this number.

A. 66.67%

B. 33.7%

C. 25%

D. 50%

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Answers (1)
  1. 20 January, 01:50
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    No matter the number of times you rolled the dice, the probability of getting a number is always 1/6. But here we can choose 4 numbers (1 to 4) hence the probability P (1 or 2 or 3 or 4) = 4/6 2/3 = 0.6667 = 66.67% (A)
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