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Suppose you want to estimate the average cost of a hotel room in New Orleans. You...

Suppose you want to estimate the average cost of a hotel room in New Orleans. You randomly select a sample of 30 hotel rooms in New Orleans and find the average cost is $88.43. The standard deviation of the population is $5.72.

a) Find a 90% confidence interval to estimate the average cost of all hotel rooms in New Orleans.

math   Statistics-And-Probability   
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