The score on a geometry test are normally distributed with a mean of 80 and a standard deviation of 5, the test scores range from 0 to a 100

Question

The score on a geometry test are normally distributed with a mean of 80 and a standard deviation of 5, the test scores range from 0 to a 100, 12 students had test scores between 80 and 90. Estimate the number of students who took the test.

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Camila 3 hours 2021-10-14T12:31:04+00:00 1 Answer 0

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    2021-10-14T12:32:24+00:00

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45:7+7-4:2-5:5*4+35:2 =? ( )