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RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS

Hourly temperature recorded by weather bureau is the example of ___________?

September 6, 2021May 22, 2019 by admin
Hourly temperature recorded by weather bureau is the example of ___________?

A. Discrete variable
B. Qualitative variable
C. Continuous variable
D. None of these

Categories RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs

Var (kY)= ____________?

September 6, 2021May 22, 2019 by admin
Var (kY)= ____________?

A. k Var (Y)
B. k2 Var(Y)
C. Var(Y)
D. k2

Categories RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs

For two independent random variables X & Y, Var (x ± y)=___________?

September 6, 2021May 22, 2019 by admin
For two independent random variables X & Y, Var (x ± y)=___________?

A. Var(X) + Var (Y)
B. Var(X) – Var (Y)
C. Var (X)±
D. Zero

Categories RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs

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

September 6, 2021May 22, 2019 by admin
Coefficient of variation (C.V) is given below:_________________?

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

Categories RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs

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

September 6, 2021May 22, 2019 by admin
If c is non-random variable, the E(C) is_______________?

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

Categories RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs

What is the probability that a ball drawn at random from a jar ?

September 6, 2021May 22, 2019 by admin
What is the probability that a ball drawn at random from a jar ?

A. 0.1
B. 1
C. 0.5
D. 0
E. Cannot be determined from given information

Categories RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs

Probability of occurrence of an event lies between______________?

September 6, 2021May 22, 2019 by admin
Probability of occurrence of an event lies between______________?

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

Categories RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs

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

September 6, 2021May 22, 2019 by admin
For a random variable X, E(X) is_______________?

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

Categories RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs

For distribution Function F(X),F(-∞)=0 and F(∞)= ?

September 6, 2021May 22, 2019 by admin
For distribution Function F(X),F(-∞)=0 and F(∞)= ?

A. 0
B. -1
C. 1
D. Non of These

Categories RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs

The distribution function F(X) is represent by_______________?

September 6, 2021May 22, 2019 by admin
The distribution function F(X) is represent by_______________?

A. P(X=x)
B. P(X
C. P(X>x)
D. P(X≤x)

Categories RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs
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