Q )Six jobs are waiting to be run. The expected running times are 9, 7, 5, 2, 1 and x respectively. Where 5 < x < 7 and the average completion time is 13. Find the value of x using SJF algorithm? (Assume all jobs arrive at same time = 0).
a)3.33
b)4.33
c)5.33
d)6.33