Suppose a random variable X has a probability density function in img.jpg. a. Find the value of k that makes this a probability density function. b. Find P(0.4≤X≤1). c. Find P(X≤0.4|X≤0.8) d. Find F(b) = P(X≤b) and sketch the graph of this function.
Suppose a random variable X has a probability density function in img.jpg. a. Find the value of k that makes this a probability density function. b. Find P(0.4≤X≤1). c. Find P(X≤0.4|X≤0.8) d. Find F(b) = P(X≤b) and sketch the graph of this function.
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
Suppose a random variable X has a probability density
a. Find the value of k that makes this a probability density function.
b. Find P(0.4≤X≤1).
c. Find P(X≤0.4|X≤0.8)
d. Find F(b) = P(X≤b) and sketch the graph of this function.
![**Mathematical Function Description:**
The function \( f(x) \) is defined as follows:
- For values of \( x \) in the range \( 0 \leq x \leq 1 \), the function is given by:
\[
f(x) = kx(1 - x)
\]
- For values of \( x \) outside this range (i.e., elsewhere), the function is defined as:
\[
f(x) = 0
\]
**Explanation:**
- This is a piecewise function where the behavior of \( f(x) \) changes depending on the value of \( x \).
- Within the interval from 0 to 1, \( f(x) \) is a quadratic expression that depends on the parameter \( k \).
- Outside the interval from 0 to 1, the function has a constant value of 0.
This setup is often used in mathematical contexts where the function is only relevant or has meaningful values within a certain range.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc5254b96-efa1-4a66-81dd-79c61155617b%2Ff41a3415-d5a0-4886-8fd3-ef7edd2ba9c7%2Fzao2d1_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Mathematical Function Description:**
The function \( f(x) \) is defined as follows:
- For values of \( x \) in the range \( 0 \leq x \leq 1 \), the function is given by:
\[
f(x) = kx(1 - x)
\]
- For values of \( x \) outside this range (i.e., elsewhere), the function is defined as:
\[
f(x) = 0
\]
**Explanation:**
- This is a piecewise function where the behavior of \( f(x) \) changes depending on the value of \( x \).
- Within the interval from 0 to 1, \( f(x) \) is a quadratic expression that depends on the parameter \( k \).
- Outside the interval from 0 to 1, the function has a constant value of 0.
This setup is often used in mathematical contexts where the function is only relevant or has meaningful values within a certain range.
Expert Solution

Step 1
Step by step
Solved in 3 steps with 3 images

Recommended textbooks for you

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON

The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman

Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman