Question: A mini license plate for a toy car must consist of a two letters followed by a one digit odd number. Each letter must be a J or a Z. 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

? List the sample space.

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