a) What is E(X)? Give your answer to three decimal places. b) What is the value c such that P(X < c) = 0.33? Give your answer to four decimal places. c) What is the probability that X falls within 0.1 minutes of its mean? Give your answer to four decimal places
a) What is E(X)? Give your answer to three decimal places. b) What is the value c such that P(X < c) = 0.33? Give your answer to four decimal places. c) What is the probability that X falls within 0.1 minutes of its mean? Give your answer to four decimal places
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
Let X represent the time it takes from when someone enters the line for a roller coaster until they exit on the other side. Consider the probability model defined by the cumulative distribution
0 | x < 3 | |||
F(x) | = | (x-3)/1.41 | 3 < x < 4.41 | |
1 | x > 4.41 |
a) What is E(X)? Give your answer to three decimal places.
b) What is the value c such that P(X < c) = 0.33? Give your answer to four decimal places.
c) What is the probability that X falls within 0.1 minutes of its mean? Give your answer to four decimal places
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