The demand for a product is Normally distributed with mean 3500 and standard deviation 200. What...
The demand for a product is Normally distributed with mean 3500 and standard deviation 200. What is the probability that demand is less than 3450, that is P(X<3450)? Choose the best possible answer. (just ONE answer).
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0.0019 |
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less than 0.5 |
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0.6 |
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None of the above/below |
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0.4013 |
Homework Answers
Z = (X - Mean)/ Standard Deviation
Z = (3450 - 3500)/ 200
Z = -0.25
Now looking at value for Z < -0.25 is 0.4013
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