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Mathematics, 15.06.2020 05:57 pstat
Hugo averages 41 words per minute on a typing test with a standard deviation of 12 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(41,12).
Suppose Hugo types 62 words per minute in a typing test on Wednesday. The z-score when x=62 is . This z-score tells you that x=62 is standard deviations to the (right/left) of the mean, .
Correctly fill in the blanks in the statement above.
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Hugo averages 41 words per minute on a typing test with a standard deviation of 12 words per minute....
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