3- A set of final examination grades in a biostatistics course is normally distributed with a mean of 73 and a standard deviation of 8. a. What is the probability of getting a grade of 91 or less? b. What is the probability that a student scored between 65 and 89? c. The probability is 5% that a student taking the test scores higher than what grade?

3- A set of final examination grades in a biostatistics course is normally distributed with a mean of 73 and a standard deviation of 8. a. What is the probability of getting a grade of 91 or less? b. What is the probability that a student scored between 65 and 89? c. The probability is 5% that a student taking the test scores higher than what grade?

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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