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smith4kaay
smith4kaay
22.04.2021 • 
Mathematics

QUESTION 39.1 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/left) of the mean,
Correctly fill in the blanks in the statement above.

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