1.

A company plans to purchase a machine who uptime needs to be atleast 95%. They have shortlisted two models of the machine with the following operational characteristics:MachineMTBF(hr)MTTR(hr)Model M604Model N482The company should buy

A. Only Model M
B. Only Model N
C. Either Model M or N
D. Neither Model M nor N
Answer» C. Either Model M or N


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