Statistics- The average cost per night of a hotel room in New York City

| March 30, 2017

Question
The average cost per night of a hotel room in New York City is $269 (SmartMoney, March 2009). Assume this estimate is based on a sample of 45 hotels and that the sample standard deviation is $65.

a. With 95% confidence, what is the margin of error? Round your answer to the nearest dollar.
$

b. What is the 95% confidence interval estimate of the population mean? Round your answers to the nearest dollar.

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