problem 15-27 (Algorithmic) rr-rEl probabillty in per If rourZ 'ur to tw If rag u i r -Q, vting for when it is If YN Guy- "Velding, Irc., distribution, with v@ding repair joss. Auume that cf job-s at crnny's office en Sy probability distribution a rate of per 8-hour day. required to a of 2.2 h rate and a stat-Gard deviation of 1 hour. vdertc mplete in jobs Fcur? number of time a job tl-* Qn begin rking X hurs number of X hurs to four c. What is 2.332 tc thr it? If required, round d. What e. 6.2 8.4 f. of time is Gu*er's derbu y X of tl-* the Susy 82.42