tay4150 tay4150

09-08-2018
Mathematics

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there are 20 balls numbered 1 to 20.in a bag.if a person selects one at random,what is the probability that the number printed on the ball will be a prime number greater than 5

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livia830 livia830

09-08-2018

Prime numbers > than 5 are 7, 11, 13, 17, and 19 so 5/20, or 1/4, or 25% chance

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