Given a normal distribution of values for which the mean is 70 and the standard deviation is 4.5. Find the probability that a value is less than 62
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Given mean `mu=70`
Standard deviation `sigma=4.5`
From a standard normal table we find that the probability of a z-value less than -1.777 is 0.0377.
Therefore, the probability that a value is less than 62 is approximately 3.77 percent.
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