Question: Total costs (Y) is a normally distributed random variable with a mean of 25and known standard deviation of 4.Find the probability that costs are between

Total costs (Y) is a normally distributed random variable with a mean of 25and known standard deviation of 4.Find the probability that costs are between 21and 25.

A.0.8944
B.0.3944
C.None are correct.
D.0.1056
E.0.5

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