The following display from a TI-84 Plus calculator presents a 95% confidence interval. Fill in the blanks: We are ________ confident that the population mean is between _______ and _______.
A) 5%, 0, 46.695
B) 95%, 0, 46.695
C) 95%, 42.447, 50.943
D) 5%, 42.447, 50.943

Question

The following display from a TI-84 Plus calculator presents a 95% confidence interval.  Fill in the blanks: We are ________ confident that the population mean is between _______ and _______.
A) 5%, 0, 46.695 
B) 95%, 0, 46.695 
C) 95%, 42.447, 50.943 
D) 5%, 42.447, 50.943

Quizplus · Accepted Answer

The display shows a 95% confidence interval, so option B is the only one with a correct confidence level. The interval is also given as (42.447, 50.943), so the correct answer is C.

The Following Display from a TI-84 Plus Calculator Presents a 95