Mathematics, 18.07.2020 21:01 ashleyrover11
The amounts of insurance claims that a car dealership submits each year are normally distributed with a population standard deviation of 6.2 claims and an unknown population mean. A random sample of 25 dealerships is taken and results in a sample mean of 22 claims. Find the margin of error for a 90% confidence interval for the population mean.
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The amounts of insurance claims that a car dealership submits each year are normally distributed wit...
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