Q81.The sum of all the four-digit numbers that can be formed using all the digits 2, 1, 2, 3 is equal to ____.
What This Question Tests
This problem involves setting up and solving equations based on the binomial probability distribution for rolling a die multiple times, requiring calculation of 'n' and then 'k'.
Concepts Tested
Formulas Used
P(X=k) = nCk p^k (1-p)^(n-k)
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📋 Question Details
- Chapter
- Probability
- Topic
- Binomial probability distribution
- Year
- 2023
- Shift
- 10 Apr Shift 2
- Q Number
- Q81
- Type
- MCQ
- NCERT Ref
- Class 12 Mathematics Ch 13: Probability
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