A survey of 700 non-fatal accidents showed that 231 involved the use of a cell phone. Find a point estimate for p, the population proportion of non-fatal accidents that involved the use of a cell phone.
A)0.330
B)0.670
C)0.493
D)0.248

Question

Quizplus · Accepted Answer

The point estimate for the population proportion $p$ is found by dividing the number of non-fatal accidents involving a cell phone (231) by the total number of non-fatal accidents surveyed (700), which gives $231/700 = 0.330$.

A Survey of 700 Non-Fatal Accidents Showed That 231 Involved