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nirvana33 [79]
3 years ago
8

Use the given data to find the minimum sample size required to estimate the population proportion. margin of​ error: 0.0080.008​

; confidence​ level: 9999​%; modifyingabove p with caretp and modifyingabove q with caretq unknown
Mathematics
1 answer:
nadezda [96]3 years ago
3 0

Formula for the Minimum Sample size n=(\frac{z}{E})^2\hat{p}\hat{q}

The least biased estimate for p and q is 1/2.

z_{\frac{\alpha }{2}}=z_{{0.01}{2}}=2.58

Thus

n=(\frac{2.58}{0.08})^2*0.5*0.5

n=260.015

n\approx260

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