Mathematics, 26.08.2019 23:20 Sydney012618
Adult entrance fees to amusement parks in the united states are normally distributed with a population standard deviation of 2.5 dollars and an unknown population mean. a random sample of 22 entrance fees at different amusement parks is taken and results in a sample mean of 61 dollars. find the margin of error for a 99% confidence interval for the population mean.
Answers: 3
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Adult entrance fees to amusement parks in the united states are normally distributed with a populati...
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