JEE Main Maths · Probability
Biased vs Unbiased Instrument Selection
Biased vs Unbiased Instrument Selection (Probability) was asked once in the 42 JEE Main shifts Lumi analysed, in 2025.
- Times asked
- 1
- in 1 shift
- Years
- 2025
- Usual format
- Single correct
- Calculation
- Pattern
- New since 2024
- asked once so far
How it is asked
- Probability coin was fair given head
Difficulty
Easy 0Medium 1Hard 0
Where it sits
Chapter: Probability. Topic: Bayes' Theorem, 8 questions over 4 ideas.
Other repeat ideas in this topic
Every time it came
The question
Newest first, each with its options and official answer.