(Answered) Question 1 what proportion of the population would be

Statistics

Question: 1. What proportion of the population would be expected to have IQs of 110 or higher?

2. Answer the following questions for 250 first-grade students.

a. How many would you expect to have IQs of 110 or higher?

b. How many would you expect to have IQs lower than 110?

c. How many would you expect to have IQs lower than 100?

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