# Normal Distribution

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It is known that the IQ scores of workers in a certain company are normally distributed with a standard deviation of ten. If 0.13% of the workers have IQ's in excess of 130 calculate the mean IQ.

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#### Solution Preview

Probability corresponding to x > 130 is 0.13% 0r 0.0013

Prob(z)=1-Prob(x > 130)= ...

#### Solution Summary

Probability values have been calculated using Normal Distribution

$2.49