9. If the population proportion is 0.6. A researcher wants the margin of error to be 0.20. and level of confidence is 90%.what is the required sample size?

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9. If the population proportion is 0.6. A
researcher wants the margin of error to be
0.20. and level of
confidence is 90%.what is the required
sample size?
Transcribed Image Text:9. If the population proportion is 0.6. A researcher wants the margin of error to be 0.20. and level of confidence is 90%.what is the required sample size?
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