Monday, February 20, 2006

Yaaaay! Sign me up for one of those biometric ID cards with my fingerprints and stuff. Nothing could ever go wrong!

So, that's £750,000 compensation due to fingerprints being misidentified (a handy precedent set). We're constantly told that these ID cards will have a 99.9% accuracy rate. The UK has a population of 60 million. 0.01% failure rate means 60,000 people misidentified. 60,000 x £750,000 = erm... £45 BILLION.

1 Comments:

Blogger Tim Worstall said...

Not quite. One more thing to add to the calculation.
How many times a year will you have to show your id card? 30? (Two or three times a month?). Seems reasonable.
The error rate is not per card or per person, it’s per time the card is read.
So it’s 45 billion times 30, or more than the total output of the country.

2/20/2006 12:22:00 pm  

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