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Mathematics, 02.11.2020 14:00 witerose701
A university council wants to determine the need for a new staff room. The council conducted a survey of the staff by randomly speaking to 860 staff members out of 2,844 staff members. The council found that 70% of those surveyed were in favor of building a new staff room. Assuming a 90% confidence level, which of the following statements holds true?
• As sample size is appropriately large, the margin of error is +- 0.026.
• As the sample size is too small, the margin of error cannot be trusted.
• As the sample size is appropriately large, the margin of error is +- 0.036.
• As the sample size is too small, the margin of error is +- 0.026.
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