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. Using this sample, the point estimate for the proportion of households without land lines is ------------.
A)0.32
B)0.25
C)0.48
D)0.53

Question

Quizplus · Accepted Answer

The point estimate for the proportion of households without land lines is calculated by dividing the number of households relying strictly on cell phones (48) by the total number of households sampled (150), which equals 0.32.

Verizon Wireless Would Like to Estimate the Proportion of Households