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Data are collected to evaluate productivity of two workers. A task is given to two workers repeatedly and the time to finish the task is
Data are collected to evaluate productivity of two workers. A task is given to two workers repeatedly and the time to finish the task is recorded. The shorter the time is, the more efficient the worker is. The following table is the results.
Repetition Worker A Worker B
1 29 31
2 28 29
3 31 32
4 37 30
5 26 28
(e) It is important to finish the task within 30 minutes. Determine the probability that it takes 30 minutes or shorter for each worker to finish the task. Based on this probability, who is more reliable?
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