The lengths, in days, of job searches for individuals making career transitions are normally distributed with an unknown population mean and standard deviation. If a random sample of 45 career changersis taken to estimate the mean job search length, what t-score should be used to find a 99% confidence interval estimate for the population mean?

df...4243444546t0.10...1.3021.3021.3011.3011.300t0.05...1.6821.6811.6801.6791.679t0.025...2.0182.0172.0152.0142.013t0.01...2.4182.4162.4142.4122.410t0.005...2.6982.6952.6922.6902.687

Use the portion of the table above or a calculator. If you use a calculator, round your answer to three decimal places.

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