A random sample of 1100 people was taken and 540 of the people in the sample favored Candidate A. (a) Find a 90% confidence interval for the true proportion of people who favor Candidate A (rounded to...

A random sample of 1100 people was taken and 540 of the people in the sample favored Candidate A.

(a) Find a90% confidence interval for the true proportion of people who favor Candidate A (rounded to three decimal places).

 (b) Based on the confidence interval, can we be 90% confident thatmore than half of all registered voters favor Candidate A? Explain briefly.