pA box contains 90 discs, numbered from 1 to 90 . If one disc is drawn at random from the box, t...

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pA box contains 90 discs, numbered from 1 to 90 . If one disc is drawn at random from the box, the probability that it bears prime number less than 23 is/pp(a) \( \frac{7}{90} \)/pp(b) \( \frac{1}{9} \)/pp(c) \( \frac{4}{45} \)/pp(d) \( \frac{8}{89} \)/p
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