All Subjects
Light
collapse
Practice Quizzes
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 68%
Approximately 84%
Approximately 99.7%
Approximately 95%
Related content
Practice quizzes
Practice this subject
Practice this unit
Practice this topic
Study guides (1)
AP Statistics - 4.2 Estimating Probabilities Using Simulation
Key terms
Mean
Standard Deviation
Normally Distributed
About Us
About Fiveable
Blog
Careers
Testimonials
Code of Conduct
Terms of Use
Privacy Policy
CCPA Privacy Policy
Resources
Cram Mode
AP Score Calculators
Study Guides
Practice Quizzes
Glossary
Crisis Text Line
Request a Feature
Report an Issue
Stay Connected
© 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.
About Us
About Fiveable
Blog
Careers
Testimonials
Code of Conduct
Terms of Use
Privacy Policy
CCPA Privacy Policy
Resources
Cram Mode
AP Score Calculators
Study Guides
Practice Quizzes
Glossary
Crisis Text Line
Request a Feature
Report an Issue
© 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.
Back
Practice Quiz
Guides
Glossary
Guides
Glossary
Next