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Hog95 Hog95
wrote...
Posts: 2983
9 years ago
The length of conversations between supervisors and workers in a certain manufacturing industry is normally distributed with a mean of 4.0 minutes and a standard deviation of 0.8 minutes.
a.   Use the normal curve table to determine the percentage of conversations that are longer than 4.4 minutes, longer than 5 minutes, longer than 3 minutes, and shorter than 2 minutes.
b.   Illustrate your answer with a sketch.
c.   Explain your answers to a person who is familiar with mean, standard deviation, and Z scores, but not with normal curve percentages. 
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Answer accepted by topic starter
padrepadre
wrote...
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Posts: 21609
9 years ago
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Hog95 Author
wrote...
9 years ago
Thank you so much for the reply. Your answer makes a lot of sense.
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