A poll asked whether states should be allowed to conduct random drug tests on elected officials. Of 19,035 respondents, 93​% said​ "yes."   a. Determine the margin of error for a​ 99% confidence interval. b. Without doing any​ calculations, indicate whether the margin of error is larger or smaller for a​ 90% confidence interval. Explain your answer.

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A poll asked whether states should be allowed to conduct random drug tests on elected officials. Of
19,035 respondents, 93​% said​ "yes."
 
a. Determine the margin of error for a​ 99% confidence interval.
b. Without doing any​ calculations, indicate whether the margin of error is larger or smaller for a​ 90% confidence interval. Explain your answer.
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