Question: Demand is modeled with a normal distribution that has a mean of 300 and a standard deviation of 50 . What is the probability that

Demand is modeled with a normal distribution that has a mean of 300 and a standard deviation of 50 . What is the probability that demand is 400 or less? Use Table 13.4 Multiple Choice 97.7% 95.4% 47.7% 2.3%

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