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RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS

Probability distribution of a random variable is also know as Probability_________________?

September 6, 2021May 22, 2019 by admin
Probability distribution of a random variable is also know as Probability_________________?

A. Probability Function
B. Distribution Function
C. Probability Distribution
D. Probability Density Function

Categories RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs

The probability function is always______________?

September 6, 2021May 22, 2019 by admin
The probability function is always______________?

A. Negative
B. Non Negative
C. Positive
D. None

Categories RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs

A discrete probability distribution may be represented by____________?

September 6, 2021May 22, 2019 by admin
A discrete probability distribution may be represented by____________?

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

Categories RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs

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

September 6, 2021May 22, 2019 by admin
For discrete random ‘X’, the expectation of X i.e., E(x) is equal to:________________?

A. ∑P(x)
B. ∑x.P(x)
C. ∑x2P(x)
D. One

Categories RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs

If a & b are constants, then Var (a + bX) equal to_________________?

September 6, 2021May 22, 2019 by admin
If a & b are constants, then Var (a + bX) equal to_________________?

A. Var(bX) + a
B. b2 Var(X)
C. b Var(x)
D. None of these

Categories RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs

The number of defective bulbs in a lot is example of ____________?

September 6, 2021May 22, 2019 by admin
The number of defective bulbs in a lot is example of ____________?

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

Categories RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs

A random variable is ____________ ?

September 6, 2021May 22, 2019 by admin
A random variable is ____________ ?

A. Not a function
B. A continuous variable
C. A function
D. None of these

Categories RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs

A function probability that a random variable of x has a value less than is called _____________?

September 6, 2021May 22, 2019 by admin
A function probability that a random variable of x has a value less than is called _____________?

A. Random function
B. Distribution function
C. Continuous function
D. probability function

Categories RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs

_________ are the numbers obtained by some random process?

September 6, 2021May 22, 2019 by admin
_________ are the numbers obtained by some random process?

A. Two- digit number take
B. Random table
C. Pack
D. Non of these

Categories RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs

Two digit random numbers are ________________?

September 6, 2021May 22, 2019 by admin
Two digit random numbers are ________________?

A. 2
B. 10
C. 99
D. 100

Categories RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs
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