A Researcher Wants to Estimate the Population Proportion with a 95

Multiple Choice

A researcher wants to estimate the population proportion with a 95% level of confidence.He estimates from previous studies that the population proportion is no more than .30.The researcher wants the estimate to have an error of no more than .03.The necessary sample size is at least ___.

A) 27
B) 188
C) 211
D) 897
E) 900