4 Random Variables questions from Mathematics Mock Test - 3 with detailed answers and explanations. Free previous year questions and MCQs.
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Years:2026 (4)
Random Variables — Mathematics Mock Test - 3(1–4 of 4)
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Q1mediummcqMathematicsMathematics Mock Test - 52026
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Let f(x)=cx2 for x=1,2,3. The value of constant c such that f satisfies the conditions of being a probability mass function (PMF) is:
Q2mediummcqMathematicsMathematics Mock Test - 52026
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A fair die is tossed thrice. If the probabilities of zero, one, two, and three successes are 8/27,4/9,2/9, and 1/27 respectively, find the mean of the number of successes.
Q3mediummcqMathematicsMathematics Mock Test - 92026
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If X and Y are random variables such that E(X)=10, V(X)=25 and E(Y)=0, V(Y)=1, the values of a,b such that Y=aX−b will be:
Q4mediummcqMathematicsMathematics Mock Test - 32026
The mean of the numbers obtained on throwing a die having written 5 on four faces, 4 on three faces, 3 on two faces and 2 on one face is?
Mathematics Mock Test - 3 Random Variables — FAQ
How many Random Variables questions come in Mathematics Mock Test - 3?▼
Our database has 4 Random Variables questions from Mathematics Mock Test - 3 covering 2026 to 2026.
What difficulty are Mathematics Mock Test - 3 Random Variables questions?▼
The 4 Mathematics Mock Test - 3 Random Variables questions include 0 easy, 4 medium and 0 hard level questions.
Where can I find more Random Variables questions for other exams?▼
Visit /tag/random-variables to see all Random Variables questions across all exams including Mathematics Mock Test - 5, Mathematics Mock Test - 3, Mathematics Mock Test - 9.