Mathematics, 04.07.2020 14:01 Leeyah9587
Assume the time required to complete a product is normally distributed with a mean 3.2 hours and standard deviation .4 hours. How long should it take to complete a random unit in order to be in the top 10% (right tail) of the time distribution?
Answers: 1
![P(z\dfrac{x-3.2}{\sigma})=0.10\ \ \ [z=\dfrac{x-\mu}{\sigma}]](/tpl/images/0701/1769/3992a.png)
[By z-table]
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Assume the time required to complete a product is normally distributed with a mean 3.2 hours and sta...
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