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Semenov [28]
3 years ago
15

Can you find the midpoint of AB​

Mathematics
2 answers:
Masteriza [31]3 years ago
7 0
Use the distance formula for the 2 points and then halve the answer
Ostrovityanka [42]3 years ago
7 0
Use the distance formula for the two points!
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Given:
Sample proportion = 85% = 0.85.
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0.85 - 1.645 \sqrt{ \frac{0.85(1-0.85)}{n} }=0.05 \\ 0.85 -  \frac{0.5874}{ \sqrt{n} } =0.05 \\  \frac{0.5874}{ \sqrt{n} }=0.8 \\  \sqrt{n} = .7342 \\ n=0.54

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3 years ago
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