Memory card failure?

Started 3 months ago | Discussions thread
JasonTheBirder
JasonTheBirder Senior Member • Posts: 1,186
Re: Memory card failure?

Let's say for illustration purposes, the probability of a single card failing over the typical use case of a photographer was 1/100000. (One in a hundred thousand). Now let's say every photographer uses about twenty cards in their lifetime. Then the probability that a given individual photographer will face at least one card failure is approximately

1 - (99999/100000)^20 = 0.00019998... ~= 1/5000.

If there are a million photographers, that still leaves an expected value of 200 unlucky photographers out there, even though most of them will be oblivious to the problem.

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