SOLUTION: An IQ test has a mean of 100 and a standard deviation of 15. Assume a normal distribution. Find the probability.
1. What is the probability that someone scores between 110-
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Question 1152773: An IQ test has a mean of 100 and a standard deviation of 15. Assume a normal distribution. Find the probability.
1. What is the probability that someone scores between 110-120?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
z=(x-mean)/sd
z will be between 10/15 and 20/15 or between 2/3 and 4/3
that probability will be 0.1613
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