JEE Main 2026 — Probability Question with Solution
JEE Main 2026 (28 January Shift 2)
Question
The probability distribution of a random variable is given below :
If , then is equal to :
If , then is equal to :
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
Substituting , the values of become:
: 14, 15, 16, 17, 18, 19, 20, 21
: , , , , , , ,
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This is a previous-year question from JEE Main 2026, covering the Probability chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.