Suppose IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. What is the probability a random sample of 150 people has a mean IQ between 102 and 103?

MATLAB: An Introduction with Applications
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Suppose IQ scores are normally distributed with
a mean of 100 and a standard deviation
of 15. What is the probability a random sample
of 150 people has a mean IQ between 102 and
103?
Transcribed Image Text:Suppose IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. What is the probability a random sample of 150 people has a mean IQ between 102 and 103?
Expert Solution
Step 1

GIVEN DATA, IQscores are normally distributed μ =100σ=15 n=150probability a random sample of 150 people has a mean IQbetween 102 and 103=?

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