Kerala PSC Previous Years Question Paper & Answer
Page:6
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'STATISTICAL ASSISTANT GR II -ECONOMICS AND STATISTICS' And exam conducted in the year 2015. And Question paper code was '011/2015/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
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Correct Answer:- Option-C
Question70=IFX and Y are two independent Poisson variates with parameters 2 and 3 respectively and let U=X+Y. Then P(U=0) is:
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Bee?
Cre
Dee? te
Correct Answer:- Option-A
Question? 1Referring to Question 50, EQ/U=3) is:
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3
5
3
6
5
Correct Answer:- Option-D
Question72« i
5] 5
D:-None of these
Correct Answer:- Option-D
Question73-Which of the following statement about B(n,p) is always true?
‘Acttis under dispersed
Belt is over dispersed
C:Neither option nor option 2
D:-Both options 1 and 2 depend on values of p
Correct Answer:- Option-A
Question74-1FX follows N(1O,
Avda
Beda
4), then the standard deviation of aX is:
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D:-None of these
Correct Answer:- Option-D
Question75-1FX follows U(0,1), then Var(1-X) is:
Correct Answer:- Option-A
Question76:The maximum height of N(0,1) curve is :
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caret Asner Option
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Exner 1 nor
Denna of tesa
Cort ser 4اوہ
Question78-If X and Y are independent N(0,1) random variates, then P(X
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பல
bates
0-0
Question79:-The Normal curve has an area about .......within one unit of SD from mean:
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bear
Carer Answer Option 8
Question80:The mgf of a random variable X is M(t
سس و وت
00و Correct
Question8 1:-The square of t distribution is an F distribution for:
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भ
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