The College of Portland uses a diagnostics test to correctly place students in math courses. Scores on
Question:
a. Using the 68-95-99.7 rule, find the percentage of scores within 50 of the mean of 400.
b. Using the 68-95-99.7 rule, find the percentage of scores between 300 and 500.
c. Is a score of 550 unusual? Why or why not?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Statistical Reasoning for Everyday Life
ISBN: 978-0321817624
4th edition
Authors: Jeff Bennett, Bill Briggs, Mario F. Triola
Question Posted: