Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A random variable 
has the range 
. If 
, for 
. where 
is a real number, then 
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Given probability function 
.
The sum of all probabilities is equal to 1.
So, 
………. 
……….
Let 
……… (i)
Multiply both side by 
.
Subtract (ii) from (i).
Put in eq. ,
Now 
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