MKT 100 Study Guide - Final Guide: Threading Building Blocks, Mean Time Between Failures

• School: Ryerson University
• Department: Marketing
• Course: MKT 100
• Professor: Jennifer Fraser

Document Summary

Pr ( failurebefore t )=1 e t / mttf z= T =meanwear out time+z standard deviation of wear out time backwards) (working. Normal time( nt ) : n t =ot pr ,where ot =observed time pr=performance rating. Standard time ( st ): st =nt af ,where nt=normal time af= allowance factor. A f job=1+ a ,where a= allowance proportionbased on job time. T1 = time for 1st unit, unit. b= ln(learning percentage /100) ln2 total time factor obtained. Minimum number of repetitions achieve agiven standard : n=e[ ln (t n) ln (t 1)] /b. Lclc/uclc=c z c, c= total number of defects. C p=u pper s pecification l imit l ower s pecification limit. : annual holding cost rate p : production rate d : usage or demand rate per cycle (e. g. , day or week) Chapter 17 project management t e= t 0+4t m+t p where te: expected durationfor each activity.