SOLUTION: A report states that 46% of car owners had a V8 engine. How large a sample is needed to estimate the true proportion of car owners who have V8 engines to within 3% with 96% confide
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Question 531252: A report states that 46% of car owners had a V8 engine. How large a sample is needed to estimate the true proportion of car owners who have V8 engines to within 3% with 96% confidence? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A report states that 46% of car owners had a V8 engine. How large a sample is needed to estimate the true proportion of car owners who have V8 engines to within 3% with 96% confidence?
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n = [z/E]^2*pq
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n = [2.05/0.03]^2*0.46*0.54 = 1165 when rounded up
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Cheers,
Stan H.
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