SOLUTION: Find the indicated IQ score. The graph to the right depicts IQ of adults, and those scores normally distrusted with a mean 100 and a standard deviation of 15. The shaded area is .8

SOLUTION: Find the indicated IQ score. The graph to the right depicts IQ of adults, and those scores normally distrusted with a mean 100 and a standard deviation of 15. The shaded area is .8

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Question 1105574: Find the indicated IQ score. The graph to the right depicts IQ of adults, and those scores normally distrusted with a mean 100 and a standard deviation of 15. The shaded area is .85
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
If the shaded area is from the far left to the right, 0.8500 from the table is at a z=1.035. Use 1.04
That is the number of sd s from 100, and at 15 per SD, one gets 15.525, so the IQ is 115.5.
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