Probability Problem

The_Gatsby · 2012-12-12 13:15:51

So I'm studying for an exam tomorrow and can't figure this problem out. I have no idea where to even start. Any help would be appreciated! It's known that a manufacturing process produces items of which 3 of 100 are defective. In a random sample size of 10, find the probability that; 1. There are no defects 2. More than 1…

12-12-2012 02:15PM

#1

The_Gatsby

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So I'm studying for an exam tomorrow and can't figure this problem out. I have no idea where to even start. Any help would be appreciated!

It's known that a manufacturing process produces items of which 3 of 100 are defective. In a random sample size of 10, find the probability that;
1. There are no defects
2. More than 1 defective component

Seems pretty simple but I can't figure it out. Thanks for any help, Luke

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#2 12-12-2012 04:47PM

Yakuza

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Treat it as a binomial probability type of problem with 10 trials and the probability of a success (in this case success =a defect!) of 3/100.

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