math question

how do i do a problem like this becuase i got it wrong on my study guide and i want to know how to do it?

A number cube is rolled 450 times.The number 3 comes up 67 times.

a.What is the theoretical probability of rolling a 3? write your answer as a fraction in simplest form.

b.What is the experimental probability of rolling a 3?Write your answer as a fraction in simplest form.

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asked by matt
  1. Theoretical probability (assuming a fair cube) for the number 3 is 1/6 (6 faces).
    The experimental probability is based on an experiment, namely 67/450.
    Since 67 is a prime, this is the simplest fraction.

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    posted by MathMate
  2. Why would it be 1/6 MathMate?

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    posted by Agal
  3. Thanks, MathMate. you made this a little easier to understand.

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  4. Agal, , it's 1/6 because a number cube only has one 3 and 6 sides

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    posted by Kiki
  5. mm

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    posted by Hippo
  6. A. 1/6
    B. 67/450

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  7. Shut it is wrong

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    posted by kate
  8. Oof... The answers are right but you have to put them in your own words.

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