Posted by John on .
A random sample of 384 people in Dalto City, a midsized city, revealed 112 individuals who work at more than one job. A second random sample of 432 workers from East Dettweiler, another midsized city, found 91 people who work at more than one job. To conduct a significance test for a difference in the proportions of workers in Dalto City and East Dettweiler who work at more than one job, what's the pooled value for p̂, and what's the pooled standard error of the difference between the two sample proportions, respectively?
.5, .0303
.249, .0009
.249, .017
.251, .0303
.249, .0303

statistics 
MathGuru,
See your more recent post.