SOLUTION: You test 100 light bulbs randomly out of a large shipment and find 6 of them to be defective. What margin of error would you need if you want a 95% confidence interval?
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Question 1071753: You test 100 light bulbs randomly out of a large shipment and find 6 of them to be defective. What margin of error would you need if you want a 95% confidence interval?
What is the 95% confidence interval in this case? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! You test 100 light bulbs randomly out of a large shipment and find 6 of them to be defective. What margin of error would you need if you want a 95% confidence interval?
What is the 95% confidence interval in this case?
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sample proportion:: 6/100
ME = 1.645*sqrt[0.06*0.94/100] = 0.0391
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95% CI:: 0.06-0.0391 < p < 0.06+0.0391
95% CI:: 0.029 < p < 0.0991
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Cheers,
Stan H.
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