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WorksheetsBCS301 Quiz-1(CSE,ISE,AI&ML)
Total questions: 15
Worksheet time: 8mins
The probability distribution is valid if
p(x) ≥ 0
∑p(x)=1
Both A and B
None of the above
Limiting case of Binomial distribution leads to
If the mean of a Binomial distribution is np, the standard deviation of this distribution is
npq
The normal distribution is symmetrical about its
Which probability distribution has same mean and variance
Uniform distribution
if X and Y are independent random variables of Joint Probability Distribution then
E(XY)=E(X).E(Y)
E(XY)=E(X)+E(Y)
E(XY)=E(X)−E(Y)
None of the above
A vector V=(v1,v2,----vn) is called a probability vector if each one of it components are non-negative and their sum is equal to
If COV(X,Y)=0 in a joint probability distribution then ρ(X,Y)=
Condition of unique fixed probability vector is
V=P
VP2=P
VP=V
None of the above
Full form of TPM is
Transition probability matrix
Transpose probability matrix
Technical probability matrix
Total probability matrix
A finite subset of the universe or population is called
sampling
large sample
random sample
The standard deviation of the sampling distribution is called
The complimentary to the null hypothesis is called
Rejecting the hypothesis when it should be accepted is called
The sampling distribution of large samples is assumed to be
