Hi

a) what is the point estimate of the mean price of movie tickets for all theaters $6.75

 b) what is the margin of error associated with this estimate .8/10 =  .08

 c) construct a 99% confidence interval for the population mean µ

 ME = 2.58(.08) = .21

CI: 6.75 -.21 < u <  6.75 + .21

($6.54, $6.96) 

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