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1. If a standard die is rolled twice find P (rolling odd both time)

User Bstahlhood
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To find the probability of rolling odd both time, we have to find the probabilty of an odd number, then we multiply that fraction twice. We know that the probability of an odd number is 1/2, since have of all numbers are odd, and the other half are even. So,


P=(1)/(2)\cdot(1)/(2)=(1)/(4)

Therefore, the probability of rolling an odd number both time is 1/4.

User Jarek Wilkiewicz
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