Mathematics, 02.03.2020 23:25 hnsanders00
In a random sample of 810 women employees, it is found that 81 would prefer working for a female boss. The width of the 95% confidence interval for the proportion of women who prefer a female boss is
A) ± .0288
B) ± .0105
C) ± .0196
D) ± .0207
Answers: 3
, and a confidence level of 
, we have the following confidence interval of proportions.
.
, z is the value of Z that has a pvalue of 
, so 
.
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