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Tamil Nadu Board of Secondary EducationHSC Commerce Class 12

What are the properties of Mathematical expectation?

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Question

What are the properties of Mathematical expectation?

Sum
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Solution

Properties of Mathematical expectation:

i. E(a) = a, where ‘a’ is a constant.

ii. E(aX) = aE(X)

iii. E(aX + b) = aE(X) + b, where ‘a’ and ‘b’ are constants.

iv. If X ≥ 0, then E(X) ≥ 0

v. V(a) = 0

vi. If X is random variable, then V(aX + b) = a2V(X)

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Mathematical Expectation
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Chapter 6: Random Variable and Mathematical expectation - Exercise 6.2 [Page 141]

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Samacheer Kalvi Business Mathematics and Statistics [English] Class 12 TN Board
Chapter 6 Random Variable and Mathematical expectation
Exercise 6.2 | Q 7 | Page 141

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