GATE | GATE-CS-2016 (Set 1) | Question 14

A probability density function on the interval [a, 1] is given by 1 / x² and outside this interval
the value of the function is zero. The value of a is :

Note : This question was asked as Numerical Answer Type.
(A) -1
(B) 0
(C) 1
(D) 0.5


Answer: (D)

Explanation:
But, this is equal to 1.
So, (-1) + (1/a) = 1
Therefore, a = 0.5
Thus, D is the correct option.

Quiz of this Question

My Personal Notes arrow_drop_up

Save