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Mathematics, 28.07.2020 05:01 johndoesnutz4690
A researcher wishes to estimate the number of households with two cars. A previous study indicates that the proportion of households with two cars is 25%. How large a sample is needed in order to be 99% confident that the sample proportion will not differ from the true proportion by more than 3%?
A) 4.
B) 1132.
C) 1842.
D) 1382.
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A researcher wishes to estimate the number of households with two cars. A previous study indicates t...
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