Q. 21 Consider a random variable X that takes values +1 and −1 with probability 0.5 each. The values of the cumulative distribution function F(x) at x = −1 and +1 are
(A) 0 and 0.5
(B) 0 and 1
(C) 0.5 and 1
(D) 0.25 and 0.75
Answer: (C)
Explanation:
Q. 21 Consider a random variable X that takes values +1 and −1 with probability 0.5 each. The values of the cumulative distribution function F(x) at x = −1 and +1 are
(A) 0 and 0.5
(B) 0 and 1
(C) 0.5 and 1
(D) 0.25 and 0.75
Answer: (C)
Explanation:
