)a bag contains 20 tickets numbered from 1 to 20. two tickets are drawn at random. what is probability that both numbers are prime?
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the answer is 1/4.
Hope it will help.
Thnxx
Hope it will help.
Thnxx
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number of favourable out come is equal to 9 and number of Total outcome is equal to 20 the probability of total outcome is 9 by 20
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