# counting principle

A mini license plate for a toy car must consist of a one digit odd number followed by two letters. Each letter must be a J or K. Repetition of letters is permitted.

Use the counting principle to determine the number of points in the sample space.

Construct a tree diagram to represent this situation and submit it to the week 5, assignment 3 dropbox.

List the sample space.

Determine the exact probability of creating a mini license plate with a 5. Give solution exactly in reduced fraction form.

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#### Solution Preview

Use the counting principle to determine the number of points in the sample space.

Answer: 20

First, there are 5 one-digit odd numbers 1, 3, 5, 7, 9. For the following two letters, each has 2 ...

#### Solution Summary

Determine the exact probability of creating a mini license plate with a 5. Give solution exactly in reduced fraction form.