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Probability Distributions MCQs

If y1 = y2 = y3 then n will be

A. 10
B. 5
C. 4
D. 3
View Answer

D. 3

If y1 = y2 = y3 then smallest order statistics is

A. y1
B. y2
C. y3
D. None of these
View Answer

A. y1

Which distribution is symmetrical

A. Beta distribution
B. ?2- distribution
C. t- distribution
D. F- distribution
View Answer

C. t- distribution

ß(l,m) =?_0^8¦x^(l-1)/?(1+x)?^(l+m) dx is called

A. Gamma function
B. Beta function of II kind
C. Beta function of I kind
D. None of these
View Answer

B. Beta function of II kind

If f(x) = 1, 0

A. x
B. x/2
C. x2
D. 1/x
View Answer

A. x

If f(x) = 2x, 0

A. x
B. x/2
C. x2
D. All of these
View Answer

C. x2

To derive the distribution of range, we obtain joint distribution of

A. first and second order statistics
B. Smallest and largest order statistics
C. first and third order statistics
D. None of these
View Answer

B. Smallest and largest order statistics

If sample observations are arranged according to their magnitudes then it is called

A. t statistic
B. F statistic
C. Order statistics
D. All of these
View Answer

C. Order statistics

Mean of F-distribution does not exist if

A. n2= 2
B. n2= 4
C. n2= 5
D. None of these
View Answer

A. n2= 2

Variance of F-distribution does not exist if

A. n2= 2
B. n2= 4
C. n2= 1
D. All of these
View Answer

B. n2= 4

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