letter only of the correct answer

5. The following shows a probability mass function of a discrete random variable, EXCEPT A.f(x) = if x E [1.2] otherwise B.f (x) = Eif xe [1,2) 0, otherwise C. f (x) = 14 if x E [1,2,3) 0, otherwise D.f(x) = if x E [1,2] otherwise 6. Let X be a discrete random variable with Support S = (1.2,3. .... 10]. If its pmf is given as kx f ( x) = ifxES what must be the value of k? lo. otherwise A. TO B. 1 D.2 uil - 7. Find the probability of 5 in item number 6. B. T C.4 D. 4 8. Which of the following is the appropriate histogram of the random variable X = number of consonant given the experiment is picking up 3 letters from the word HOUSE