Statistics MCQs

Page No. 24

The index numbers are used to measure seasonal and cyclical variations in __________?


aCommodities


b Time Series


cWhole sale


dRealtives


View Answer Time Series

Each trial in Binomial distribution has:_________________?


aOne Outcome


bTwo Outcome


cThree Outcome


dFour Outcome


View Answer Two Outcome

In which distribution successive trials are without replacement:____________________?


aHypergeometric distribution


bBinomial distribution


cPoisson distribution


d Geometric distribution



In hypergeometric distribution, the trial are:_______________?


aIndependent


bDependent


cCollectively Exhaustive


d None


View Answer Dependent

The mean of hypergeometric distribution is:___________________?


a Nk/N


bN-k/n


c nN/k


dn+k/N


View Answer Nk/N

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



Hypergeometric distribution has parameter:_____________________?


a2


b1


c3


d4


View Answer 3

In a binomial probability distribution it is impossible to find______________?


a P(X < 0)


bP(X = 0)


c P(X > 0)


d p(0 ≤ X≤ n)


View Answer P(X < 0)

The mean of binomial distribution is:__________________?


anpq


bnp


c √npq


d √np


View Answer np

The probability of success changes from trial to trial in:___________________?


aBinomial distribution


b Geometric distribution


c Sampling distribution


dHypergeometrical distribution



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