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 5 percentage points with 99% confidence if (a) he uses a previous estimate of 34%? (b) he does not use any prior estimates? (a) n= ______
Already registered? Login
Not Account? Sign up
Enter your email address to reset your password
Back to Login? Click here