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So, what it's come down to is that purpose of the statistics courses I took back in the eighteenth century, or whenever it was, was to help me understand advertising claims. Mind you, being six sigmas from the mean is not always a good thing. <g> > -----Original Message----- > From: Leif Svalgaard [mailto:leif@leif.org] > Sent: Wednesday, January 24, 2001 12:04 PM > To: MIDRANGE-L@midrange.com > Subject: Re: microsoft 99.9999 > > > From: Joe Pluta <joepluta@plutabrothers.com> > > Has anybody thought to do the math? 99.9999% uptime means > a total of > THIRTY SECONDS of unscheduled downtime per year (actually, 31 > and change). > > The 99.9999% has a special marketing significance. It is a > failure rate of 1 > in 1,000,000, > which is better than 3.4 in 1,000,000. what is this > mysterious 3.4? It is the > six sigma > level. Search on Google for "six sigma".So if you are at the > 99.9999% level > you are > better than six sigma (the ultimate mark of quality). So > there is great > incentive to > claim to be better than six sigma, whether you are or not. > +--- | This is the Midrange System Mailing List! | To submit a new message, send your mail to MIDRANGE-L@midrange.com. | To subscribe to this list send email to MIDRANGE-L-SUB@midrange.com. | To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com. | Questions should be directed to the list owner/operator: david@midrange.com +---
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