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 'STATISTICS' And exam conducted in the year 2015. And Question paper code was '066/2015'. 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.
87. Let X be non — negative continuous random variable with distribution function F(x), show
that E(X)= ا ೨೫೫೬.
38. Letfbe ೩ function on R defined by
,f(x): 1, when x is rational
=-1, when x is irrational
Show that [ is discentinuous at every point ല് HIII - F(x)]dx.
o
(8 >+ 10 = 80)
4 66/2015