Mathematics, 13.12.2021 14:00 smuindi3293
The distribution of the scores on an exam is closely described by a normal curve with mean of 100 and standard deviation of 9. a) what percent of students (to the nearest tenth of a percent) scored lower than the student with an exam score of 115? b) what is the cutoff exam score for being in the highest 40%. c) if 180 students took the exam, how many scores do you think were below 40? Explain
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The distribution of the scores on an exam is closely described by a normal curve with
mean of 100...
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