u200bu200b u200bu200bu200bu200bu200bu200bAnswer:-1.=> Average waiting time for non-preemptive Prionity sh scheduling is,Average waiting =Sum of waiting time for time individual process No. of Process.Gantt chat for given processes is,[[P_(1),P_(5),P_(3),P_(4)|_(5)P_(2)],[,,9,10,],[17,,]]Now, waiting time for all processes is,Waiting time of P_(1)=0Waiting time of P_(2)=17waiting time of P_(3)=9Waiting time of P_(4)=10Waiting time of P_(5)=5Average waiting =(0+1+9+10+5)/(5)=(41)/(5) time quad5.05 milliseconds. u200bu200bu200bu200bu200bu200bRound Robin schedling:-Gantt chat:-Writing time of P_(1)=0+(20-10)=10waiting time of P_(2)=10+(85-20)=75waiting time of P_(3)=25waiting time of P_(u)=50+(75-60)=65Waiting time of P_(5)=45waiting time of P_(6)=60Arg. waiting time =(10+75+25+65+45+60)/(6){:[" Avy. Waiting time "=(280)/(6)],[=46.66" mill: gec "]:}Aug.turnaro ... See the full answer