Will upvote, please give correct solution

5. [1Spts total] You run a model for 10 replications and get the following replication means for Avg Customer Waiting Time in minutes. An abbreviated table of Student-t critical valCes is also provided. a. [8pts] Calculate the point estimate and 95% halfwidth and CI on the average waiting time. All work must be shown for credit. I b. [7pts] How many replications would be needed in total to achieve a halfwidth of 2 minutes? All work must be shown for credit