A Manufacturer of Cream Filled Donuts Collected Data from Its

Multiple Choice

A manufacturer of cream filled donuts collected data from its automatic filling process, the amount of cream inserted into the donuts is normally distributed.To make sure that the automatic filling process is on target, quality control inspectors take a sample of 25 donuts.The correct value of t^* to construct a 99% confidence interval for the true mean amount of cream filling is ________________________ .

A) 2.797
B) 1.711
C) 2.787
D) 2.060
E) 1.318