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A survey of 26 randomly sampled judges employed by the state of Florida found that they...

A survey of 26 randomly sampled judges employed by the state of Florida found that they earned an average wage (including benefits) of $61.00 per hour. The sample standard deviation was $6.08 per hour. (Use t Distribution Table.)

a.What is the best estimate of the population mean?________.

b.Develop a 90% confidence interval for the population mean wage (including benefits) for these employees. (Round your answers to 2 decimal places.) _______ and_________

c.How large a sample is needed to assess the population mean with an allowable error of $2.00 at 90% confidence? (Round up your answer to the next whole number.) ________.

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iven that, n 26 SE 6.08 Best est; mak Best eshmate (a) = 61 the poplasion mcans6L At 90 % Lo n Uden (c level that is, 2 In 61= 6.08 At 90% Conls dence level 2. 2. 2. n=2S Sample si e·25

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