1. What is the ideal number of children to have in a family? The following data represent the ideal number of children for a random sample of 900 adult Americans. x Frequency P(x) 0 10 10/900 = .011 1 30 2 520 3 250 4 70 5 17 6 3 (a) Use the frequency distribution to complete the probability distribution (use 3 decimal places) and then construct a probability histogram (by hand). (b) Find the mean (expected value) and standard deviation for this distribution. Round your answers to one decimal place. = E(x) = =