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Let x be a rv that represents the


The daily demand for coke cans in a cafeteria is approximately normally distributed with mean 150 and standard deviation 20.  Let X be a RV that represents the demand.

1. P(X ≤ 200) = ?

2. P(X ≥ 180) = ? 

3. P(150 ≤ X ≤ 180) = ?

4. How many cans should be stocked so that P(running out of cans) = 0.1?

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Business Economics: Let x be a rv that represents the
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