# Lab031011 - Suppose the GPAs of students in entire IU...

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Suppose the GPAs of students in entire IU system follows Normal distribution with a mean 1. What is the probability that a randomly selected IU student's GPA is equal to 3.10? 2. What is the probability that a randomly selected IU student's GPA is between 2.7 and 3.5? 3. Suppose an honor society recruites students that have GPAs within top 1% of all IU students. T A researcher randomly selects 100 IU students, surveys their GPAs and calculates a samp 4. What is the center and dispersion of the distribution of mean GPAs from samples of 100? How 5. What are the answers to the previous question if the population GPA distribution is not normal? 6. What is the probability that a sample mean GPA is between 2.4 and 3.5? 7. Instead of 100, suppose the sample size is 225 now. Then, what is the center and dispersion o

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## This note was uploaded on 07/01/2011 for the course ECO 370 taught by Professor Camp during the Spring '11 term at Indiana State University .

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Lab031011 - Suppose the GPAs of students in entire IU...

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