= Test: POST UNIT 4 Test CH 6 & 7 Question 4 of 13 This test: 13 point(s) possible This question: 1 point(s) possible Submit test Use n = 6 and p = 0.75 to complete parts (a) through (d) below. 3 5 6 (Round to four decimal places as needed.) (b) Compute the mean and standard deviation of the random variable using ux = _[x . P(x)] and ox = / >[x2 . P(x)] -ux - Hx =(Round to two decimal places as needed.) ox =(Round to two decimal places as needed.) (c) Compute the mean and standard deviation, using ux = np and ox = vnp(1 - p). Hx =(Round to two decimal places as needed.) ox =(Round to two decimal places as needed.) (d) Draw a graph of the probability distribution and comment on its shape. Which graph below shows the probability distribution? O A. O B. OC. OD. AP(x) 0.5- AP(x) 0.5- AP(X) 0.5- AP(xx) 0.5- TTT 0.25- 0.25- 0.25- X 6 3 6 0 3 6 The binomial probability distribution is1111's test: 13 pointist 1111's question: 1 pomtts) possible E Test: POST UNIT4 Test CH 6 8. 7 Question 4 of 13 > Use n =6 and p = [ITS to complete parts (a) through (d) below. [3] Construct a binomial probability distribution with the given parameters. Pix) (.11waon 6 (Round to tour decimal places as needed.) [b] Compute the mean and standard deviation of the random variable using "X = EDP P()