Here are some links to Web sites where you can find more information about the concept of Mean Time Between Failures:
Wikipedia offers a short but surprisingly comprehensive look at MTBF:
en.wikipedia.org/wiki/MTBF- A good explanation of the less common MTTF at the Six Sigma SPC Web site: www.sixsigmaspc.com/dictionary/MTTF-meantimetofailure.html
- A brief list of frequently asked questions about reliability measures and calculation software at the T-Cubed Systems Inc. Web site: www.t-cubed.com/faq.htm
- A short but well-written explanation of MTBF: alumnus.caltech.edu/~rdv/comp-arch-storage/FAQ-2.jp.12.html