W Quiz 3 Week 6 (ADA) - MATH120, section BOOB, Summer 1 202 DO.MI.S. MY NOTES ASK YOUR T time left.. Suppose x has a distribution with a mean of 20 and a standard deviation of 9. Random samples of size n = 36 are drawn. (a) Describe the x distribution. 5:50:0 O x has an unknown distribution. x has a geometric distribution. x has a binomial distribution. O x has a normal distribution. Ox has an approximately normal distribution. x has a Poisson distribution. Compute the mean and standard deviation of the distribution. (For each answer, enter a number.) Hy = (b) Find the z value corresponding to x = 23. (Enter an exact number.) Z = (c) Find P(x