a number us selected from numbers 1-25. the probability that it is a prime is?
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Answer:
9/25
Prime numbers upto 25= 2, 3, 5, 7, 11, 13, 17, 19, 23
No. of favorable outcomes=9
Total no. of possible outcomes =25
We know that, Probability P(E) =(Total no.of possible outcomes)/(No.of favorable outcomes)
= 9/ 25
Therefore, the probability that the drawn ticket bears a prime number is = 9/ 25
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