Search any question & find its solution
Question:
Answered & Verified by Expert
The probability distribution of a random variable $\mathrm{X}$ is

Then the standard deviation of $\mathrm{X}$ is
Options:

Then the standard deviation of $\mathrm{X}$ is
Solution:
1214 Upvotes
Verified Answer
The correct answer is:
2
No solution. Refer to answer key.
Looking for more such questions to practice?
Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.