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A car sales company tries to evaluate the performance of each of its more than 400 branches. To do so, it chooses a rand
Posted: Thu May 05, 2022 8:19 pm
by answerhappygod
- A Car Sales Company Tries To Evaluate The Performance Of Each Of Its More Than 400 Branches To Do So It Chooses A Rand 1 (12.35 KiB) Viewed 26 times
A car sales company tries to evaluate the performance of each of its more than 400 branches. To do so, it chooses a random sample of 40 branches and obtains their average performance. The average performance is 4.5%. Use this information, to build a 68% and 99% confidence interval to estimate the mean performance of all branches, in each case.