A sample of 100 part-time students at KCAU showed that 25 dropped out in the first year
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Question:
A sample of 100 part-time students at KCAU showed that 25 dropped out in the first year of study.
1)calculate a 95% confidence interval for the dropout rate of the population of all comparable students.
2)comment on the Dean’s assertion that dropout rate is less than 15%.
3)determine the sample size necessary to give a confidence interval in (a) a precision of 5%
Related Book For
Statistics for Business and Economics
ISBN: 978-0132930192
8th edition
Authors: Paul Newbold, William Carlson, Betty Thorne
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