Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Junior Systems Officer - Kerala Co-operative Milk Marketing Federation Ltd' And exam conducted in the year 2024. And Question paper code was '018/2024'. 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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Events A and B are said to be independent if :
(A) P(AUB)=P(A)* P(B) ൪൫ P(ANB)=P(A)* P(B)
(0 P(AUB)=P(A)+ P(B) ൬) 7(4 ^¬ 2) = 7(4)+ P(B)
Which of the following distribution has equal mean and variance?
(^) Normal (B) Poisson
(C) Binomial (D) Exponential
If X isa random variable, then which one is the correct expression for V(aX +b):
(A) a’V(X)+0? (B) a@V(X)
(൭ aV(X)+b (0) aV(X)
Find the mode of the Binomial distribution for which mean is 4 and variance is 3.
(A) 4.25 (B) 5
(C) 4 (D) None of these
If X,,X,,...,X, are n independent N(0,1) random variables, then the distribution of
X, -2X, +X; is:
(^) N(0,3) ®) 270,1)
(൭ 7४०, 6) ൩൬) 270,3)
An unbiased estimate of population ശനി ர” 15 :
^ ॐ (8)
(0 कल» (D) (n-1)s?
Which of the following is not a sufficient condition for a random variable to be a consistent
estimate of 8?
(७) Ett,)30 (8) 7७,)-२०
© 8(,)-9 0) 7७,)-२ ७
018/2024 6 A