In: Statistics and Probability
An Employee Benefits Research Institute survey of 1250 workers over the ages of 25 collected opinions on the health care system in America and on retirement planning. The American health care system was rated as poor by 388 of the respondents.
What is the point estimate of the population proportion of workers over 25 who rate the American health care system as poor.
Solution =
Given, n = 1250 .... survey of workers,
x = 388 ..... the respondents
Now find,
The point estimate of the population proportion p,
p = x/n = 388/1250 = 0.3104
Answer; 0.3104 is the point estimate of the population proportion of workers over 25 who rate the American health care system as poor.