# Probability calculation using Normal Distribution

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Mean=76, standard deviation=12; Subject Q had a score of 70.

a. What proportion of the population scored below Q?

b. If you changed the mean to 100 and the standard deviation to 10, what would Q's score be?

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##### Solution Summary

The solution calculates probability for a normal distribution. Standard deviation is examined.

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a. What proportion of the population scored below Q?

score= 70

mean= 76

standard ...

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