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AlekseyPX
3 years ago
8

Suppose MyBook sent out 2100 surveys. Which of these numbers of surveys being returned would prevent non response bias?

Mathematics
1 answer:
Korolek [52]3 years ago
4 0

Answer:

21  is the answer



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Step 1: Simplify both sides of the equation.
−
2
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(
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+
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Step 2: Add 2/5 to both sides.
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5 0
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yuradex [85]

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8 0
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