The random variable x has probability density function given by: { kx', 0

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.1: Continuous Probability Models
Problem 28E
icon
Related questions
Question

part D

i need in words 

not handwritten solution

Question 2:
The random variable x has probability density function given by:
{
{ kr', 0<xs1
0, otherwise
f(x) =
Where k is a positive constant:
a. Show that k = 4
b. Show that the mean is 0.8 and find the variance
C.
Find the lower quartile of x.
d. Find the interquartile range.
Transcribed Image Text:Question 2: The random variable x has probability density function given by: { { kr', 0<xs1 0, otherwise f(x) = Where k is a positive constant: a. Show that k = 4 b. Show that the mean is 0.8 and find the variance C. Find the lower quartile of x. d. Find the interquartile range.
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
Calculus For The Life Sciences
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill