SOLUTION: correction: 349 teachers and a sample of 110 of them 66 have doctorates. Estimate the number without doctorates. I have: p=110/349=.32

Algebra ->  Probability-and-statistics -> SOLUTION: correction: 349 teachers and a sample of 110 of them 66 have doctorates. Estimate the number without doctorates. I have: p=110/349=.32      Log On


   

Question 613645: correction: 349 teachers and a sample of 110 of them 66 have doctorates. Estimate the number without doctorates.
I have: p=110/349=.32
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi, 

349 teachers and a sample of 110 of them 66 have doctorates

sample of 110 of them 66 have doctorates

 66/110 = .60 or 60% having doctorates (40% w/o in the sample)

 349(.40) = 139.6 0r ~140 w/o a doctorate  of the 349 teachers