4.17 The length of time required by students to complete a one-hour exam is a random variable with a density function given by cy² + y, 0
4.17 The length of time required by students to complete a one-hour exam is a random variable with a density function given by cy² + y, 0
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Transcribed Image Text:4.17 The length of time required by students to complete a one-hour exam is a random variable with
a density function given by
| cy² + y, 0<y < 1,
f (y) =
0,
elsewhere.
a Find c.
b Find F(y).
c Graph f(y) and F(y).
d Use F(y) in part (b) to find F(-1), F (0), and F(1).
e Find the probability that a randomly selected student will finish in less than half an hour.
f Given that a particular student needs at least 15 minutes to complete the exam, find the
probability that she will require at least 30 minutes to finish.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 3 images
