# Tree Diagram

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A min 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 letter is permitted.

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

Construct a tree diagram to represent this sitution.

list the sample space

determine the exact probability of creating a min license plate with a J. solution should be in reduce fraction form

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#### Solution Preview

Counting principlesays there are 5 x 2 x 2 or 20 possibilities:

Sample space: {1JJ, 1KK, 1JK, 1KJ, 3JJ, 3KK, 3JK, 3KJ, 5JJ, 5KK, 5JK, ...

#### Solution Summary

The expert examines tree diagrams and probability.

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