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svetlana [45]
3 years ago
9

A production process produces 2% defective parts. a sample of five parts from the production process is selected. what is the pr

obability that the sample contains exactly two defective parts?
Mathematics
2 answers:
Anna35 [415]3 years ago
5 0
.0038



20characters2020202020202
jolli1 [7]3 years ago
3 0
We have:

p=0.02
n=5
k=2

P(success ~2)=_nC_k~*~(p)^k~*~(1-p)^{n-k}\\~\\~\\P(success ~2)=5C2~*~0.02^2*0.98^3=0.003765

<span>SO that the probability that the sample contains exactly two defective parts would be 0.38%</span>
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