(Answered) Question when do americans decide what to make for dinner

Statistics

Question: When do Americans decide what to make for dinner? An outline survey indicated that 74% of Americans decided either at the last minute or that day. Suppose that the survey was based on 500 respondents.

(a) Construct a 95% confidence interval estimate for the proportion of Americans who decided what to make for dinner either at the last minute or that day.

(b) Construct a 99% confidence interval estimate of the proportion of Americans who decided what to make for dinner either at the last minute or that day.

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