rush i needit by 10 mins if possible letter of the correct answer only

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) = 3 if x E [1,2 ] 0, otherwise C.f(x) = 14 if x E [1,2,3] 0, otherwise D.f (x) = 9 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? otherwise A.-1 B. 1 C. D.2 10 7. Find the probability of 5 in item number 6. B. _ 10 C.1 D.! 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