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If E(X) = 3 and E(X^2 ) = 25, then find SD (X).
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asked
Dec 24, 2018
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Mathematics
by
kratos
If E(X) = 3 and E(X2 ) = 25, then find SD (X).
class-11
random variables
theoretical distribution
mathematical expectation
class-12
statistical inference
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answered
Feb 13, 2020
by
kratos
Best answer
Here SD (X)
SD(X) = 4.
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