Statistics questions

User Generated

Tbyqvr

Mathematics

Description

User generated content is uploaded by users for the purposes of learning and should be used following Studypool's honor code & terms of service.

Explanation & Answer

p1hat-p2hat=0.51-0.12=0.39

Standard error = sqrt(0.51*0.49/257+0.12*0.88/155) = 0.041

Margin of error =1.96*0.041 =0.08036 =0.080

Lower limit = 0.390-0.080=0.310

Upper limit = 0.390+0.080=0.470



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