Statistics MCQs

Page No. 29

What is the variance of binomial distribution __________________?


an p


b np (1 – p)


cnp/q


d nq/p


View Answer np (1 – p)

The sum of p and q is always:___________________?


a0


b2


c1


d None of these


View Answer 1

If in binomial distribution p ≠ q, the distribution is:___________________?


aPositively skewed


bNegative skewed


c May be positive skewed or negative skewed.


dNone of these



The binomial distribution is positively skewed when:________________?


ap > q


bp < q


cp = q


dboth (a) and (b


View Answer p < q

If 5 dice are rolled 96 times then N. =___________?


a5


b96


c5/96


d96/5


View Answer 96

If a Binomial experiment is repeated ‘N’ times then binomial frequency distribution is. _______________?


a N.{nx}px qn-x


bN p q


c N.{n/x}px qn-x


dN.{n/x}p qn-x


View Answer N.{nx}px qn-x

For a binomial distribution?


an must assume a number between 1 and 20 or 25


b p must be a multiple of 10


cThere must be at least 3 possible outcomes


dNone of these


View Answer None of these

If _________ then the distribution is positively skewed?


a p < q


bq/p


c p > q


d p > 1/2


View Answer p < q

Which of the following is not a requirement for binomial distribution ?


aConstant Probability of Success


bOnly two possible outcomes


cA fixed number of trials


dEqually likely outcomes



In a binomial distribution mean and variance is _________________?


aVariance > mean


bMean < variance


cVariance ≠ mean


dNone of these


View Answer Mean < variance

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