A wild pack of Chihuahuas terrorizing the countryside. The mean height of the dogs in the pack is 7.5 inches with a standard deviation of 1.5 inches. Assume Chihuahua height is normally distributed

1. In words, the random variable X is ________________________________________________________________________

2. Give the distribution of X: _________________________________________

3. What proportion of Chihuahuas are between 6 and 9 inches tall? ____________________________________

4. Determine P(7.25 < x < 11.15): ______________________________________

5. Determine P(x = 7). ___________

6. Determine the 20^th percentile for Chihuahua heights._____________

7. What two weights determine the middle 30% of Chihuahua heights?______________ and ________________

8. What Chihuahua height has a z = -.85? ___________________________

9. My dog is 15 inches tall. Without calculating any probabilities, explain why it is or is not likely that my dog is a Chihuahua.