View the step-by-step solution to:

The SAT scores of students are normally distributed with a mean of 950 and a standard deviation of 200 a. Nancy Bright's SAT score was 1390.

The SAT scores of students are normally distributed with a mean of 950 and a standard deviation of 200
a. Nancy Bright’s SAT score was 1390. What percentage of students have scores more than Nancy Bright?
b. What percentage of students score between 1100 and 1200?
c. What are the minimum and the maximum values of the middle 87.4% of the scores?
d. There were 165 students who scored above 1432. How many students took the SAT?


Recently Asked Questions

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

-

Educational Resources
  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question