A bag contains 20 tickets, numbered from 1 to 20. Two tickets are drawn without replacement. What is the probability that the first ticket has an even number and the second an odd number.

Explanation

To solve the problem, we need to find the probability that the first ticket drawn is even and the second ticket drawn is odd when drawing two tickets without replacement from a bag containing 20 tickets numbered from 1 to 20.

### Step-by-Step Solution:

1. **Identify the Total Tickets**:
The bag contains 20 tickets numbered from 1 to 20.

2. **Count Even and Odd Tickets**:
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