Homework: Chapter 13 HW (Sampling Distributions & Proportion Question 5, Section 13.1 Exercise 1 33 HW Score: 54.17%, 8.67 of 16 points Point: 0.67 of 1 Save An investment website can tell whit devices are used to access their site. The site managers wonder whether they should enhance the facilities for trading via smartphones so they want to state the proportion of us who the att way. They draw a random sample of 324 investors from their customers. Suppose that the true proportion of smartphone users is 30% Complete carts a through below a) What would the managers expect the shape of the sampling distribution for the sample proportion to be? Skewed to the lef Okewed to the right Nonsymmetric Unimodal and symmetric b) What would be the mean of this sampling distributo Mean 0.30 (Round to two decimal places as needed) c) What would be the standard deviation of the sampling distribution? Standard Deviation-0.025 (Round to three decimal places as needed.)