JEE Main 2024 · MathsNumerical answerNumerical valueMediumCalculation
JEE Main 8 April 2024, Shift 1, Maths Q30
Question 30 of 90 in this shift, Maths question 30 of 30, Section B.
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 ____________.
Official answer
17
NTA final key.
- Chapter
- Probability
- Topic
- No close match in our taxonomy
- Idea tested
- No close match in our taxonomy