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Mathematics, 03.05.2020 14:01 mktdonaldson
A school administrator wants to know what proportion of the approximately 80,000 teachers in their state
have a Master's degree. The administrator takes an SRS of 100 teachers from a statewide database
containing every teacher, and they find 55 teachers in the sample have a Master's degree.
Based on this sample, which of the following is a 99% confidence interval for the proportion of teachers
in the state with a Master's degree?
Choose 1
~
0.55 +0.128
Ⓡ
0.55 = 0.098
©
55 +0.128
©
55 = 0.098
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