A local community association wants to poll a random sample of its 280 members to estimate the proportion likely to atte
Posted: Tue Apr 26, 2022 6:22 pm
A local community association wants to poll a random sample of
its 280 members to estimate the proportion likely to attend a late
spring function. The number of sample observations should be
sufficiently large to ensure that a 99% confidence interval for the
population extends at most 0.05 on each side of the sample
proportion. How large of a sample is necessary?
its 280 members to estimate the proportion likely to attend a late
spring function. The number of sample observations should be
sufficiently large to ensure that a 99% confidence interval for the
population extends at most 0.05 on each side of the sample
proportion. How large of a sample is necessary?