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Data from previous years reveal that the distribution of the final exam scores in an introductory stats class is approximately normal with a mean of 23.2 out of 30 with a standard deviation of 4.94.

1. Given that the passing score is 18.6, approximately what percentage of students pass the final exam?

2. If a student aims to be in the top 4 percent of the class, how should the student score?

3. The middle 95 percent of the scores will tend to fall between _______ and ________.

Please show your work so I can understand how to calculate.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91011180

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