Question

Near the time of an election, a cable news service performs an opinion of 1000 probable voters. It show that the republican contender has an advantage of 51% to 49%

a.) Develop a confidence interval for the proportion favoring the Republican candidate. Round your answers to 3 decimal places.

b.) Estimate the probability that the democratic candidate is actually leading. Round your answer to 4 decimal places.

c.) Repeat the above analysis based on a sample of 3,300 probable voters. Round Confidence interval to 3 decimal places and probability to 4 decimal places.

Confidence interval of republican=

probability of democrat=

Answer 1