12.6
Posted: Sun Jul 10, 2022 10:16 am
12.6
In a nationwide survey conducted by a reputable research center, a sample of adults in a certain country were asked whether they favor a plan to break up a small collection of megabanks, which controlled about 68% of the banking industry; 44% of those sampled responded in the affirmative. According to the report, "the margin of sampling error is +/-3 percentage points with a 98% level of confidence." Find and interpret a 98% confidence interval for the percentage of all adults in the country who favor a plan to break up the megabanks. The 98% confidence interval is from (Type whole numbers. Use ascending order.) %to%.
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