📈Statistics MCQs
Statistics MCQs
490 MCQs191
Which of the following case is true for hyper geometric distribution________________?
AProbability remains constant for all the trials.
B& (
Cbut not (
DBoth (
192
The binomial distribution is symmetrical when:______________?
AP > q
B& (
Cbut not (
DBoth (
193
What is the mean of binomial distribution ____________?
AX
Bn x p
Cn(1 – 1)
D∑fx/∑f
194
Binomial probability distribution is denoted by b(x ; n, p), is defined as _______________?
A{nx}px qn-x
B{nx}px(1 – P)x-n
CnCxpnqnx
D{nx}p(1 – P)x
195
Binomial word discovered at the end of ________________?
A14th century
B12th century
C10th century
D17th century
196
In which distribution successive trials are without replacement:____________________?
AHypergeometric distribution
BBinomial distribution
CPoisson distribution
DGeometric distribution
197
In hypergeometric distribution, the trial are:_______________?
AIndependent
BDependent
CCollectively Exhaustive
DNone
198
The mean of hypergeometric distribution is:___________________?
ANk/N
BN-k/n
CnN/k
Dn+k/N
199
Which of the following is not the property of binomial distribution ?
An is fixed
BHas two outcomes
CTrials are independent
DProbability of success varies from trial to trial
200
Hypergeometric distribution has parameter:_____________________?
A2
B1
C3
D4 E. No