The workers at a certain company took a random sample of 800 manhole covers and found that 40 of them were defective. Which of the following gives the 95% confidence interval for the true proportion of manhole covers that are defective? O [.047, .053] O [.015, .085] O [.035, .065] O [.026, .043]
The workers at a certain company took a random sample of 800 manhole covers and found that 40 of them were defective. Which of the following gives the 95% confidence interval for the true proportion of manhole covers that are defective? O [.047, .053] O [.015, .085] O [.035, .065] O [.026, .043]
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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