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First you need to work out the probability of rolling a prime number. The prime numbers on a die are 2, 3 and 5. Thus the probability of rolling a Prime number is 3/6 which can be simplified to 1/2. The probability of rolling a number greater than 1 is 5/6. The probability of rolling one on one dice and one on the other is therefore 1/2 x 5/6 = 5/12. There are two possible ways round these options could come though. You might get the number greater than one on the first roll, and the prime on the second. Thus we need to multiply the probability by 2, which gives us the final answer of 5/6.

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โˆ™ 2011-09-26 13:33:59
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Q: What is the probability of rolling a prime number and the probability of rolling a number greater than 1 on two rolls fo a die?
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Related questions

What is the probability of rolling a prime number or non prime number?

Half


What is the faction of rolling a prime number?

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