Take Quiz Question 3 We are asked to select a number at random from the numbers between 650 and 890. Assume a uniform distribution. (a) Find the mean and standard deviation for the random number selected. (b) What is the probability that the random number selected is at most 708? (c) What is the 90th percentile for random number selection? Please select all statements that are true. O Part (a): H = 770 6 = 4800 O Part (a): H = 760 6 = 46.19 O Part (a): H = 770 G = 69.282 O Part (b): P(x > 708) = 0.76