The following display from a TI-84 Plus calculator presents a 99% confidence interval for a proportion. Fill in the blanks: We are ________ confident that the population mean is between _______ and _______.
A) 99%, 0,0.633097
B) 1%, 0,0.633097
C) 99%, 0.473812,0.792382
D) 1%, 0.473812,0.792382

Question

The following display from a TI-84 Plus calculator presents a 99% confidence interval for a proportion.  Fill in the blanks: We are ________ confident that the population mean is between _______ and _______. 
A) 99%, 0,0.633097 
B) 1%, 0,0.633097 
C) 99%, 0.473812,0.792382 
D) 1%, 0.473812,0.792382

Quizplus · Accepted Answer

The display shows a confidence interval for a proportion, not a population mean as stated in the question. Therefore, A and B are not correct. The correct answer is C, as it gives the correct information for a proportion with a 99% confidence level.

The Following Display from a TI-84 Plus Calculator Presents a 99