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AP Statistics
Unit 4 – Probability, Random Variables, and Probability Distributions
Topic 4.2
In a statistics class, the scores on a midterm exam are normally distributed with a mean of 75 and a standard deviation of 10. What percentage of students scored below 80 on the exam?
Approximately 84%
Approximately 95%
Approximately 99.7%
Approximately 68%
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AP Statistics - 4.2 Estimating Probabilities Using Simulation
Key terms
Mean
Standard Deviation
Normally Distributed
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Cram Mode
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© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.
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