It has been said that 329 of the residents of the United Sta

It has been said that 32.9% of the residents of the United States are overweight. A researcher samples 800 people and finds that only 248 meet the criteria of being overweight. The researcher is fully aware that his sample could be in error when predicting the true proportion of the population of the United States.

Solution

Proportion = 248 / 800 = 0.31

it is almost the same value but is not the same

31%