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Section 9.1 Homework Question 7
Question
Section 9.1 Homework
7. A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size sample should be obtained if he wishes the estimate to be within percentage points with 90% confidence if
(a) he uses a previous estimate of
%?
(b) he does not use any prior estimates?
(a) n=
(b) n=
This question is taken from Math 136 – Introduction to Statistics » Summer 2021 » Section 9.1 Homework