4. (7 pts) The proportion of voters who cast a ballot for candidate R in the Ohio senate elections was 0.532. Scioto Polling Consultants conducted electionday.r polls on a random sample of n = 212 voters in order to estimate the true proportion of voters who chose Sherrod Brown. (a) What can you say about the distribution of the sample proportion of Sherrod Brown voters based on the random sample of 212 voters? Provide the distribution name and parameter values to 4 signicant digits and state whether the distribution is exact or approximate. (3 pts) (b) Find the probability that between 0.45 and 0.60 of the sampled voters chose candidate R. (4 pts}