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Klech8anellaBala
Klech8anellaBala Klech8anellaBala
  • 20-06-2016
  • Mathematics
Answered

What is the margin of error for a yes/no survey of 200 people with a proportion of 65% who answered \"yes\"?. A. ±3.37%. B. ±5.06%. C. ±6.75%D. ±8.43%. E. ±10.12%. please help

Verified Answer :

Anonymous Anonymous
  • 03-07-2016

\(\sqrt{(p*q)/n}\)

where p is the number of positive outcomes (yes) and q is the number of negative outcomes (no).

\(\sqrt{(0.65*(1-0.65))/200}\) = 0.0337 or 3.37%

answer is A.

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