29-03-2016
Mathematics

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You roll a standard number cube 1,000 times. Predict the number of times you will roll a 2 or a 5. Explain your answer.

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26-05-2017

333.3 recurring. For every number on the dice there is a 1 in 6 chance of getting it. Since we are talking of 2 numbers, the chances double to 2 in 6 or 2/6. 2/6 simplified is 1/3 so we do 1000/3, which is 33.3 with a recurring 3.

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