$4-20.$ Derch is disappointed in his high$-$speed Internet service. Althon Internet is seldom down, it kicks into slow mode quite ofteli Derch considers to be a failure. He has tried three service with varying degrees of success. The number of failures eight$-$hour day and the average time to regain high$-$speed acivia on shown below. Derek must choose one of the following options. Cathe late the sysiem availability for each option. Which service would ys recommend?

$\backslash$table$[[$ISP$,$Number of Failures,Time to Regain Serv$],[$Xceptional$,12,2$ minutes$],[$Yourizon$,4,4$ minutes$],[$Zelltell$,3,10$ minutes$]]$