A bag contains 20 tickets numbered 1to20. Two tickets are drawn at random. Find the probability that both the numbers on the tickets are prime
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The prime numbers lying in [1,20] are2, 3, 5, 7, 11, 13, 17, 19∴∴ Totally we have 8 numbers
Hence the required probability is8C/220C2=281908C/220C2=28/190=14/95
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Hence the required probability is8C/220C2=281908C/220C2=28/190=14/95
mark me as brainliest
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P(prime numbers)= 8/20=2/5
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