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The finishing time for cyclists in a race are normally distributed with an unknown population mean and standard deviation. If a random sample of 25
The finishing time for cyclists in a race are normally distributed with an unknown population mean and standard deviation. If a random sample of 25 cyclists is taken to estimate the mean finishing time, what t-score should be used to find a 98% confidence interval estimate for the population mean?df...2122232425t0.10...1.3231.3211.3191.3181.316t0.05...1.7211.7171.7141.7111.708t0.025...2.0802.0742.0692.0642.060t0.01...2.5182.5082.5002.4922.485t0.005...2.8312.8192.8072.7972.787
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