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Maharashtra State BoardHSC Science (General) 12th Standard Board Exam

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For the random variable X, if V(X) = 4, E(X) = 3, then E(x2) is ______ - Mathematics and Statistics

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Question

For the random variable X, if V(X) = 4, E(X) = 3, then E(x²) is ______

Options

9
13
12
7

MCQ

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Solution

13

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Chapter 2.7: Probability Distributions - MCQ

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SCERT Maharashtra Mathematics and Statistics (Arts and Science) [English] 12 Standard HSC

Chapter 2.7 Probability Distributions
MCQ | Q 5

2021-2022 (March) Model set 2 shaalaa.com (with solutions)

Q 1.i | 2 marks

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