John has been training to improve his 5 K race time. He believes he can now run 5 K races with an average time of lower than 1380 seconds (23 minutes). If his last 5 race times were: 1372, 1360, 1390, 1365, 1371 seconds compute the t statistic for judging the null hypothesis of Ho: u >= 1380

John has been training to improve his 5 K race time. He believes he can now run 5 K races with an average time of lower than 1380 seconds (23 minutes). If his last 5 race times were: 1372, 1360, 1390, 1365, 1371 seconds compute the t statistic for judging the null hypothesis of Ho: u >= 1380

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

John has been training to improve his 5 K race time. He believes he can now run 5 K races with an average time of lower than 1380 seconds (23 minutes). If his last 5 race times were:

1372, 1360, 1390, 1365, 1371 seconds

compute the t statistic for judging the null hypothesis of Ho: u >= 1380

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