Assume that the heights of American women are normally distributed, with a mean of 5' 5", and a standard deviation of 2". Note: 1' (1 foot) equals 12" (12 inches). Give your answer as a percent, either as a whole percent (if you calculate it from the "rough and ready rules"), or else rounded to one decimal place. Make sure you have z-tables accessible. You may want to draw the normal distribution diagram to help with the solutions, but that's just for your convenience, not to include in your solution!

7. If you randomly pick an American woman, what is the probability that she is between 5' 5" and 5' 9"?

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