Mean of a normal distribution probability

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The mean of a normal distribution probability is 400 pounds. The standard deviation is 10.

a. What is the area between 415 pounds and the mean of 400 pounds? (Round to 4 decimals)

b. What is the probability of selecting a value at random and discovering that it has a value less than 395 pounds. (Round to 4 decimals).

Reference no: EM1390528

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