Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If a random variable 
has the probability distribution
X | |
0 | 0 |
1 | 2k |
2 | K |
3 | |
4 | |
5 | |
6 | |
7 |
then 
is equal to
Text Solution
Verified by ExpertsThe correct answer is:
C
Sum of all probabilities 
.
(rejecting 
).
.
──────────────────────────────────────────────────────────────────────────────────────────
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
A random variable takes values with probabilities respectively, where . Let and respectively …
From the first 100 natural numbers, two numbers first and then are selected randomly without repl…
Let S be a set of 5 elements and denote the power set of S. Let E be an event of choosing an order…
Two distinct numbers and are selected at random from . The probability, that their product is d…
Bag A contains 9 white and 8 black balls, while bag B contains 6 white and 4 black balls. One ball …
A bag contains 10 balls out of which are red and ( ) are black, where . If three balls are drawn…