A distribution of test scores follows the normal distribution with a mean of 80. Standard deviation of 12 and n=600. a. How many scores would you expect above 100? b. What is the probability of a person's getting a score of 100 or more on this test? c. How many scores would you expect to find above each of these scores in the distribution? 90, 58, 110 d. What is the probability that a person will score between 90 and 100?

A distribution of test scores follows the normal distribution with a mean of 80. Standard deviation of 12 and n=600. a. How many scores would you expect above 100? b. What is the probability of a person's getting a score of 100 or more on this test? c. How many scores would you expect to find above each of these scores in the distribution? 90, 58, 110 d. What is the probability that a person will score between 90 and 100?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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