Mathematics, 28.05.2021 05:30 aesthvx44

IQ scores are normally distributed with a mean of 100 and a standard deviation of 16. a) What percent of people have an IQ of less than 68?
b) What percent of people have an IQ between 100 and 132?
c) Write a 68% confidence interval.
d) If 10,000 people are studied, how many will score above a 148 on the IQ?

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