Mathematics, 09.07.2019 17:00 tcjet

Amath teacher’s midterm is worth 200 points. the mean of the test is 143 and the standard deviation is 15.7. if the scores have a bell shaped distribution, what percentage of the scores are between 111.6 and 174.4? a. about 99.7% b. about 68% c. about 62.8% d. about 95%

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Amath teacher’s midterm is worth 200 points. the mean of the test is 143 and the standard deviation...