Question: question 3 Suppose we are interested in learning about the difference in job placement among graduates from NC State's undergraduate programs. We wish to calculate

question 3

Suppose we are interested in learning about the difference in job placement among graduates from NC State's undergraduate programs. We wish to calculate a confidence interval for the difference in proportions p1 - P2, where P1 = the proportion of alumni (at least two years removed from graduation) from NC State's College of Engineering which are currently working in a job that they are satisfied with p2 = the proportion of alumni (at least two years removed from graduation) from NC State's College of Sciences which are currently working in a job that they are satisfied with Taking all assumptions for granted, if you were to calculate a 95% confidence interval, what would be the critical value from the relevant bell-shaped distribution used in your calculation? Select one: O a. 1.96 O b. 1.645 O c. 1.28 O d. 4.303

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