Question: P-1) (70 pts) The average waiting data from 10 replication of a medical treatment system are Replication Average Waiting Time 1 15.70 2 13.50 3

P-1) (70 pts) The average waiting data from 10
P-1) (70 pts) The average waiting data from 10 replication of a medical treatment system are Replication Average Waiting Time 1 15.70 2 13.50 3 12.80 4 14.20 5 14.00 6 13.10 7 14.10 8 14.40 9 13.30 10 14.40 a. Determine 90% confidence interval for the average waiting time. Comment on the result. (20 pts) b. Determine 90% prediction interval for the average waiting time. (25 pts) c. Determine the smallest number of replication to satisfy an average waiting time error of 0.5 time unit. (a =0.10) (20 pts)

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