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A survey of 20 randomly sampled judges employed by the state of Florida found that they earned...

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Statistics

A survey of 20randomly sampled judges employed by the state of Florida found thatthey earned an average wage (including benefits) of $63.00 perhour. The sample standard deviation was $5.90 per hour. (Uset Distribution Table.)

What is the best estimate of the population mean?

Develop a 98% confidence interval for the population mean wage(including benefits) for these employees. (Roundyour answers to 2 decimal places.)

Confidence intervalfor the population mean wage is between   and

How large a sample is needed to assess the population mean withan allowable error of $2.00 at 95% confidence?(Round up your answer to the next wholenumber.)

Sample Size

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