Question
74% of 1644 randomly selected college freshman returned to college the next year. Estimate the national freshman-to-sophomore retention rate. a) Check that the assumptions and
74% of 1644 randomly selected college freshman returned to college the next year. Estimate the national freshman-to-sophomore retention rate. a) Check that the assumptions and conditions are met for inference on proportions. b) Construct a 98% confidence interval c) Interpret your interval d) Explain what "98% confidence" means in this context.
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College Algebra Graphs and Models
Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna
5th edition
321845404, 978-0321791009, 321791002, 978-0321783950, 321783956, 978-0321845405
