# Q4. You conduct a poll comparing two candidates. In a poll of 400 people, 190 prefer candidate A, and 210 prefer B.  question 4b Q4a. What is the point estimate for the probability that a voter will choose candidate A?   Q4b. What is the stdev for that point estimate?

Question

Q4. You conduct a poll comparing two candidates. In a poll of 400 people, 190 prefer candidate A, and 210 prefer B.

question 4b

Q4a. What is the point estimate for the probability that a voter will choose candidate A?

Q4b. What is the stdev for that point estimate?