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Question: Expert Q&A Done & 9.3.46-T A metropolitan transportation authority has set a bus mechanical relia…



Question: Expert Q&A Done & 9.3.46-T A metropolitan transportation authority has set a bus mechanical relia...
3800 is not correct!

Show transcribed image text Expert Q&A Done & 9.3.46-T A metropolitan transportation authority has set a bus mechanical reliability goal of 3,800 bus miles. Bus mechanical reliability is measured specifically as the number of bus miles between mechanical road calls. Suppose a sample of 100 buses resulted in a sample mean of 3,850 bus miles and a sample standard deviation of 225 bus miles. Complete parts (a) and (b) below a. Is there evidence that the population mean bus miles is more than 3,800 bus miles? (Use a 0.10 level of significance.) State the null and altemative hypotheses. (Type integers or decimals.) Enter your answer in the edit fields and then click Check Answer. Check Answer parts Clear All Please find tSTAT, critical values, and p-value

Expert Q&A Done & 9.3.46-T A metropolitan transportation authority has set a bus mechanical reliability goal of 3,800 bus miles. Bus mechanical reliability is measured specifically as the number of bus miles between mechanical road calls. Suppose a sample of 100 buses resulted in a sample mean of 3,850 bus miles and a sample standard deviation of 225 bus miles. Complete parts (a) and (b) below a. Is there evidence that the population mean bus miles is more than 3,800 bus miles? (Use a 0.10 level of significance.) State the null and altemative hypotheses. (Type integers or decimals.) Enter your answer in the edit fields and then click Check Answer. Check Answer parts Clear All Please find tSTAT, critical values, and p-value

  

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