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7. A television sport commentator wants to estimate the proportion of Americans who follow profes- sional football. What
Posted: Tue Nov 23, 2021 9:26 am
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7. A television sport commentator wants to estimate the proportion of Americans who follow profes- sional football. What sample size should be obtained if he wants to be within 3 percentage points with 99% confidence if a. He uses a 2010 estimate of 73% obtained from a Harris poll. b. He does not use any prior estimates? 8. The data below shows the overall miles per gallon (MPG) Of 2012 family sedans: 38 24 26 21 25 22 24 a. Construct 95% confidence interval estimate for the population mean MPG of 2012 family sedans. b. Carefully explain in one
statement the meaning of your interval.