emysparadise emysparadise

01-10-2018
Mathematics

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a bag contains balls numbered 1-20. if one is chosen at random. what is the probability that it is prime?

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monica3897 monica3897

01-10-2018

So, the probability of picking at least one even numbered ball = (1 - probability of picking both odd numbered balls) = (1 - 0.25) = 0.75

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romasrv9 romasrv9

01-10-2018

1 of 20, or a 1/20

hope i help you!!

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