Mathematics, 20.11.2021 14:10, Rocket3138
Hugo averages 71 words per minute on a typing test with a standard deviation of 5.5 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(71,5.5). Suppose Hugo types 65 words per minute in a typing test on Wednesday. The z-score when x=65 is . This z-score tells you that x=65 is standard deviations to the (right/left) of the mean, .
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Mathematics, 21.06.2019 16:10, lilyplant4289
The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.
Answers: 1
Mathematics, 21.06.2019 20:30, violetagamez2
Answer for 10 points show work you guys in advanced < 3
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Hugo averages 71 words per minute on a typing test with a standard deviation of 5.5 words per minute...
Mathematics, 07.05.2021 16:00
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