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The probability that a part inspected is defective is 0.09, what is the probability of having...

The probability that a part inspected is defective is 0.09, what is the probability of having 2 defects out of the next 5 parts inspected? Name the distribution. Generate Probability Distr. Function

Math   Statistics-And-Probability   
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Answer #1

Let X be the number of defects. Then

with

X P(X=x)
0 0.6240
1 0.3086
2 0.0610
3 0.0060
4 0.0003
5 0.0000

We need to find P(X=2)

Let me know in the comments if anything is not clear. I will reply ASAP! Please do upvote if satisfied!

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