9.1 POINT

Hugo averages 77 words per minute on a typing test with a standard deviation of 8 words per minute. Suppose Hugo’s

words per minute on a typing test are normally distributed. Let X = the number of words per minute on a typing test.

Then, X ~ N(77,8).

This z-score

Suppose Hugo types 76 words per minute in a typing test on Wednesday. The Z-score when x = 76 is

tells you that x = 76 is standard deviations to the (right****************/