Mathematics, 30.01.2021 14:00 LukeneedhelpInMath
A music industry researcher wants to estimate, with a 90% confidence level, the proportion of young urban people (ages 21 to 35 years) who go to at least 3 concerts a year. Previous studies show that 21% of those people (21 to 35 year olds) interviewed go to at least 3 concerts a year. The researcher wants to be accurate within 1% of the true proportion. Find the minimum sample size necessary.
Answers: 2
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A music industry researcher wants to estimate, with a 90% confidence level, the proportion of young...
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