Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

Check all that are correct. There is a 98% chance that the mean of a sample of 2

ID: 3351589 • Letter: C

Question

Check all that are correct.

There is a 98% chance that the mean of a sample of 29 widgets will be between 14.1 and 27.9.

With 98% confidence, the mean width of a randomly selected widget will be between 14.1 and 27.9.

The mean width of all widgets is between 14.1 and 27.9, 98% of the time. We know this is true because the mean of our sample is between 14.1 and 27.9.

There is a 98% chance that the mean of the population is between 14.1 and 27.9.

With 98% confidence, the mean width of all widgets is between 14.1 and 27.9.

Explanation / Answer

The mean width of all the wigets is between 14.1 and 27.9 , 98% of the time. We know that this is true because mean of our sample is between 14.1 and 27.9.

There is 98% chance that mean of the population is between 14.1 and 27.9 .

There is 98% confidence, mean width of all wigets is between 14.1 and 27.9.