The results of a statistics examination follow an approximate normal distribution with a mean of 68 and a variance of 64. Grade A is awarded to students who score more than 82. What is the probability that a student gets a Grade A? O a. 0.9599 O b. 0.0401 O c. 0.5871 O d. 0.4129
The results of a statistics examination follow an approximate normal distribution with a mean of 68 and a variance of 64. Grade A is awarded to students who score more than 82. What is the probability that a student gets a Grade A? O a. 0.9599 O b. 0.0401 O c. 0.5871 O d. 0.4129
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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