Engineering
Mathematics
Conditional Probability
Question

A bag contains 17 tickets numbered 1 to 17. A ticket is drawn and replaced, then one more ticket is drawn and replaced. Probability that first drawn number is even and second is odd, is

81289

72289

64289

none of these

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Solution
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Let A be the event that first drawn number is even and B be event that the second number drawn number is odd.

Total number of even numbers =172=8
P(A)=817 and P(B)=917P(AB)=72289
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