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Friday, 9 October

JEE Main 2022 · MathsMultiple choiceSingle correctMediumCalculation

JEE Main 24 June 2022, Shift 1, Maths Q17

Question 17 of 90 in this shift, Maths question 17 of 30, Section A.

If a random variable X follows the Binomial distribution B(33, p) such that 3P(X=0)=P(X=1)3P(X=0)=P(X=1), then the value of P(X=15)P(X=18)−P(X=16)P(X=17)\frac{P(X=15)}{P(X=18)}-\frac{P(X=16)}{P(X=17)} is equal to :
  1. (1)1320Official answer
  2. (2)1088
  3. (3)1201331\frac{120}{1331}
  4. (4)10881089\frac{1088}{1089}

Official answer

Option 1

NTA final key (2022 Session 1).

Chapter
Probability
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.