A study indicates that an assembly line task should take an average of 3.20 min to complete,

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A study indicates that an assembly line task should take an average of 3.20 min to complete, with a standard deviation of 0.75 min. What is the probability that the task will take between 1.80 and 3.80 min to complete? Graph the area being determined by assuming that the completion time is normally distributed.

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Related Book For  book-img-for-question

Statistics For Business And Financial Economics

ISBN: 9781461458975

3rd Edition

Authors: Cheng Few Lee , John C Lee , Alice C Lee

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