Question
Find the margin of error and 95% confidence interval for the following surveys. Round all answers...
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 57% plan to vote for Smith for governor.
Margin of Error (as a percentage): _
Confidence Interval: _% to _%
(b) A survey of 1500 people finds that 42% support stricter penalties for child abuse.
Margin of Error (as a percentage): _
Confidence Interval: _% to _%
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