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>> No.9665835 [DELETED]  [View]
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9665835

This feels like a really simple problem, but I'm getting a different answer from others.
It's a Binomial distribution right? And the probability of a defect is .01 and they buy 3 packs of 10 so they have 30 disk.
I'm trying to find out the probability of 1 of 30 of the disks being defective.
I'm getting .2242 but everyone else is getting .0127

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