Limited access

Upgrade to access all content for this subject

List Settings
Sort By
Difficulty Filters
Page NaN of 1946

How many of the following functions can be probability density functions of some continuous random variable $X$?

i. $f(x)=2$ for $0< x< 1/2$

ii. $f(y)=2y$ for $0< y< 1$

iii. $f(x)=\begin{cases} .1 &\mbox{if } x=2, 4\\\ .25 &\mbox{if } x=1, 3\\\ .3 &\mbox{if } x=5 \end{cases}$

iv. $f(x)=x$ for $-1< x< 1$

v. $\rho(x)$ where $\rho(x)$ can be graphed as:

vi. $f(x)$ can be graphed as:

A

$1$

B

$2$

C

$3$

D

$4$

E

$5$

F

$6$

Accuracy 0%
Select an assignment template