(a) Take a random sample of 50 members of the U.S. House of Representatives. Explain your sampling methodology. (b) Count the number whose surname begins with “S.” (c) Construct a 95 percent...

(a) Take a random sample of 50 members of the U.S. House of Representatives. Explain your sampling methodology. (b) Count the number whose surname begins with “S.” (c) Construct a 95 percent confidence interval for the true proportion of U.S. representatives whose surname begins with “S.” (d) Is normality assured?