A. 0.1
B. 1
C. 0.5
D. 0
E. Cannot be determined from given information
What is the probability that a ball drawn at random from a jar ? Read More »
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs A. -1 and 0
B. 0 and 1
C. -1 and 1
D. exactly 1
Probability of occurrence of an event lies between______________? Read More »
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs A. Harmonic Mean
B. Geometric Mean (GM)
C. Arithmetic Mean (AM)
D. Non
For a random variable X, E(X) is_______________? Read More »
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs A. 0
B. -1
C. 1
D. Non of These
For distribution Function F(X),F(-∞)=0 and F(∞)= ? Read More »
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs A. P(X=x)
B. P(X
C. P(X>x)
D. P(X≤x)
The distribution function F(X) is represent by_______________? Read More »
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs A. Probability Function
B. Distribution Function
C. Probability Distribution
D. Probability Density Function
A. Negative
B. Non Negative
C. Positive
D. None
The probability function is always______________? Read More »
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs A. A Table
B. A Graph
C. A mathematical Equation
D. All of these
A discrete probability distribution may be represented by____________? Read More »
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs A. ∑P(x)
B. ∑x.P(x)
C. ∑x2P(x)
D. One
For discrete random ‘X’, the expectation of X i.e., E(x) is equal to:________________? Read More »
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs A. Var(bX) + a
B. b2 Var(X)
C. b Var(x)
D. None of these
If a & b are constants, then Var (a + bX) equal to_________________? Read More »
RANDOM VARIABLE AND PROBABILITY DISTRIBUTIONS, Statistics Mcqs