The probability density function for the continuous random variable X is given by: (A(x² – 2x + 21) 0
The probability density function for the continuous random variable X is given by: (A(x² – 2x + 21) 0
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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
Transcribed Image Text:The probability density function for the continuous random variable
X is given by:
(А(х? — 2х + 21) 0 <x<3
3< x < 4
otherwise
|
f (x) =
ЗА
Where A is a constant
a) Find the value of A
b) Find the cumulative distribution function F (x).
c) Show that the median of X lies between x = 2.6 and x = 2.7.
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