Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Three balls are drawn at random from a bag containing 5 blue and 4 yellow balls. Let the random variables 
and 
respectively denote the number of blue and yellow balls. If 
and 
are the means of 
and 
respectively, then 
is equal to________
Text Solution
Verified by ExpertsThe correct answer is:
17
(17)
Blue balls | 0 | 1 | 2 | 3 | 4 | 5 |
Prob. | 0 | 0 |
yellow | 0 | 1 | 2 | 3 | 4 |
0 |
──────────────────────────────────────────────────────────────────────────────────────────
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 bag contains 8 balls, whose colours are either white or black. 4 balls are drawn at random withou…
Let Ajay will not appear in JEE exam with probability , while both Ajay and Vijay will appear in t…
An urn contains 6 white and 9 black balls. Two successive draws of 4 balls are made without replace…
A fair die is thrown until 2 appears. Then the probability, that 2 appears in even number of throws…
An integer is chosen at random from the integers . The probability that the chosen integer is a mu…
Two integers and are chosen with replacement from the set . Then the probability that is :