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30-01-2020
Mathematics

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What is the probability of rolling a number less than 5 on a number cube

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30-01-2020

Answer: Probably is it 1/6

Step-by-step explanation:

For each of the possible outcomes add the numbers on the two dice and count how many times this sum is 7. If you do so you will find that the sum is 7 for 6 of the possible outcomes. Thus the sum is a 7 in 6 of the 36 outcomes and hence the probability of rolling a 7 is 6/36 = 1/6.

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