For Questions , use the following narrative
Narrative: Bread machines
Suppose a survey was done this year to find out what percentage of all Americans own a bread machine.Out of their random sample of 1,000 Americans, 317 own a bread machine.The margin of error for this survey was plus or minus 3%.
-{Bread machine narrative} What proportion of the entire American population owns a bread machine, based on these results?
A)Definitely 317/1,000 = .317 or 31.7%
B)Probably between 28.7% and 34.7%
C)31.7% times the population of the U.S.
D)None of the above.

Question

Quizplus · Accepted Answer

The margin of error of plus or minus 3% tells us that the true proportion of Americans who own a bread machine is likely within a range of 3 percentage points above or below 31.7%. Therefore, the best estimate is that between 28.7% and 34.7% of the entire American population owns a bread machine.

For Questions , Use the Following Narrative