Multiple choice

A bag contains $10$ tickets numbered $1$ to $10$. Tickets are drawn one by one without replacement. The probability that the ticket number $7$ is drawn at $4$th draw is

  1. $\cfrac { 1 }{ 10 } $
  2. $\cfrac { 1 }{ { 10 }^{ 4 } } $
  3. $\cfrac { 1 }{ 40 } $
  4. $\cfrac { 2 }{ 5 } $
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A Correct answer
Explanation

The probability that any specific ticket is drawn at any specific position (1st, 2nd, ..., 10th) is 1/10, because all positions are equally likely for any ticket.

AI explanation

The probability that a specific ticket is selected at the fourth draw is the same as the probability of selecting it at the first draw. Therefore, the probability is 1 out of 10, which equals 1/10. The answer is 1/10.

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