X~N (? = 30 and ?2 = 100) has a normal distribution, a) What is the probability that X is between 30 and 50? b) What is the probability that X is between 20 and 40? c) What is the probability that X is between 35 and 45? d) What is the probability that X is less than 25? e) What is the probability that X is greater than 20?
X~N (? = 30 and ?2 = 100) has a normal distribution, a) What is the probability that X is between 30 and 50? b) What is the probability that X is between 20 and 40? c) What is the probability that X is between 35 and 45? d) What is the probability that X is less than 25? e) What is the probability that X is greater than 20?
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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X~N (? = 30 and ?2 = 100) has a
a) What is the
b) What is the probability that X is between 20 and 40?
c) What is the probability that X is between 35 and 45?
d) What is the probability that X is less than 25?
e) What is the probability that X is greater than 20?
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