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What is the percentile corresponding to score

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Reference no: EM132855110

Scores on an exam can be modeled by a normal distribution with mean 80 and standard deviation 5.

(a) If 18% of the scores were higher than yours, what was your score? (3 decimal places)

(b) If 18% of the scores were higher than yours, what is the percentile corresponding to your score? (whole number)

(c) The professor plans to give students who scored between 70 and 79 a grade of C. What PROPORTION of students will earn a C? (3 decimal places)

(d) What exam score was 2.37 standard deviations below the mean? (2 decimal places)

Reference no: EM132855110

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