The MTBF Distribution of a Machine That Has Passed the Phase

Multiple Choice

The MTBF distribution of a machine that has passed the phase of early failures exhibits a normal distribution. The smaller the standard deviation of this distribution

A) the more expensive is preventive maintenance
B) the more likely this machine is a candidate for preventive maintenance
C) the shorter is the time interval between breakdowns
D) the more likely this machine will break down
E) the more likely this machine will be maintained by a breakdown maintenance policy