SOLUTION: Use the following formula: z = x − μ . σ IQ scores are well modeled by the normal model with a mean of 100 and a standard deviation of 16. What is the probabilit

Question 1090493: Use the following formula: z = x − μ . σ
IQ scores are well modeled by the normal model with a mean of 100 and a standard deviation of 16. What is the probability that a randomly selected person has an IQ score:
(a) below 93?

(b) between 80and 104?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Find the z score,

Find the probability from a normal distribution for this z value.
.
.
.

So then,

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SOLUTION: Use the following formula: z = x &#8722; &#956; . &#963; IQ scores are well modeled by the normal model with a mean of 100 and a standard deviation of 16. What is the probabilit

SOLUTION: Use the following formula: z = x − μ . σ IQ scores are well modeled by the normal model with a mean of 100 and a standard deviation of 16. What is the probabilit