Verizon Wireless Would Like to Estimate the Proportion of Households

Multiple Choice

Verizon Wireless would like to estimate the proportion of households that use cell phones for their phone service without a land line. A random sample of 150 households was selected and 48 relied strictly on cell phones for their service. The approximate standard error of the proportion for this sample is _______.

A) 0.0381
B) 0.0419
C) 0.0580
D) 0.0225