SOLUTION: A report states that 40% of home owners had a vegetable garden. How large a sample is needed to estimate the true proportion of home owners who have vegetable gardens to within 4%
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Question 741966: A report states that 40% of home owners had a vegetable garden. How large a sample is needed to estimate the true proportion of home owners who have vegetable gardens to within 4% with 95% confidence? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A report states that 40% of home owners had a vegetable garden. How large a sample is needed to estimate the true proportion of home owners who have vegetable gardens to within 4% with 95% confidence?
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n = [z/E]^2*p*q
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n = [1.96/0.04]^2*0.4*0.6 = 577 when rounded up
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Cheers,
Stan H.
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