It nown that the IQ scores of people in the United States have a normal distribution with mean 100 and standard deviation 15. If a person is selected random, find the probability that the person's IQ score is less than 85.

Q: II.ps Oe+00 -2e+07 -4e+07 -6e+07 0.0 0.2 0.4 ps 0.6 0.8 1.0

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