A manufacturer of cheese filled ravioli supplies a pizza restaurant chain. Based on data collected from its automatic filling process, the amount of cheese inserted into the ravioli is normally distributed.  To make sure that the automatic filling process is on target, quality control inspectors take a sample of 25 ravioli.  To get the correct value of t to construct a 98% confidence interval for the true mean amount of cheese filling, which of the following Excel syntax that the inspector should use?