A Researcher Wants to Estimate the Proportion of a Population

Multiple Choice

A researcher wants to estimate the proportion of a population which possesses a given characteristic.A random sample of size 200 is taken and 30% of the sample possesses the characteristic.The 90% confidence interval to estimate the population proportion is ___.

A) 0.53 to 0.67
B) 0.25 to 0.35
C) 0.24 to 0.36
D) 0.27 to 0.33
E) 0.33 to 0.39