Find the margin of error and 95% confidence interval for the following surveys. Round all answers to 2 decimal places. (a) A survey of 500 people finds that 48% plan to vote for Smith for governor....

Find the margin of error and 95% confidence interval for the following surveys.Round all answers to 2 decimal places.

(a) A survey of 500 people finds that 48% plan to vote for Smith for governor.

Margin of Error (as a percentage):
Confidence Interval: % to %

(b) A survey of 1500 people finds that 31% support stricter penalties for child abuse.

Margin of Error (as a percentage):
Confidence Interval: % to %