The estimate of the population proportion is to be within plus or minus 0.05, with a 95% level of confidence. The best estimate of the population is 0.15. How large a sample is required? ( Round up your answer to the next whole number)
n=z^2sigma^2/E^2= 1.96*1.96*.15*.85/.05*.05 =236
Content will be erased after question is completed.
Enter the email address associated with your account, and we will email you a link to reset your password.
Forgot your password?