The Final Exam Scores for a Calculus Course Were Approximately

question 13

Short Answer

The final exam scores for a calculus course were approximately normally distributed with mean and standard deviation . The maximum possible score was 100. What is the probability that a randomly selected student received an A grade (90 or higher)? Round to 3 decimal places.

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Definitions:

Random Variable

A variable whose values depend on outcomes of a probabilistic phenomenon.

Normally Distributed

Describes a type of continuous probability distribution for a real-valued random variable where the data tends to form a symmetrical bell curve.

Median

The middle value in a data set, arranging the data in ascending order, or the average of the two middle values if the dataset is even.

SAT Scores

SAT Scores are standardized test results used for college admissions in the United States, assessing mathematical, reading, and writing skills.