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

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

Matching exercise

Match the items on the right to the items on the left.

Step 1

Step 2

Step 3

Step 4

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