Category: RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS

Coefficient of variation (C.V) is given below:_________________?

Hamad RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS 06/09/2021

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A. Mean/S.D.
B. S.D./Mean x 100
C. Mean/S.D. x 100
D. S.D./Mean

For discrete random ‘X’, the expectation of X i.e., E(x) is equal to:________________?

Hamad RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS 05/07/2021

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A. ∑P(x)
B. ∑x.P(x)
C. ∑x²P(x)
D. One

The distribution function F(X) is represent by_______________?

Hamad RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS 09/05/2021

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A. P(X=x)
B. P(X
C. P(X>x)
D. P(X≤x)

A discrete probability distribution may be represented by____________?

Hamad RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS 06/05/2021

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A. A Table
B. A Graph
C. A mathematical Equation
D. All of these

Random numbers are used for selection of ____________?

Hamad RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS 02/05/2021

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A. Random space
B. Space
C. Random sample
D. Non of these

If c is non-random variable, the E(C) is_______________?

Hamad RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS 25/04/2021

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A. Zero
B. C
C. 1
D. 2

Probability of occurrence of an event lies between______________?

Hamad RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS 17/04/2021

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A. -1 and 0
B. 0 and 1
C. -1 and 1
D. exactly 1

For a random variable X, E(X) is_______________?

Hamad RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS 09/04/2021

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A. Harmonic Mean
B. Geometric Mean (GM)
C. Arithmetic Mean (AM)
D. Non

A random variable is that whose value is determined by the outcome of _________________?

Hamad RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS 25/02/2021

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A. Trial
B. event
C. Experiment
D. Random experiment

If E (ax) = _______________?

Hamad RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS 05/02/2021

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A. A
B. a E(x)
C. x E(a)
D. Non of these