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26 March, 00:30

If 12 lightbulbs are sampled, what is the probability that no more than 1 sampled lightbulb will fail before the advertised life-span?

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  1. 26 March, 00:56
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    I think this is the binomial combination distribution function.

    On a Ti-84 plus it would be binomcdf (12,0.5,1)

    0.0031738281
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