Answer to Question #273640 in Statistics and Probability for MAYFIE

Statistics and Probability

Question #273640

A shipment has a 100 tape recorders of which 10 of these units are defective. What is the

probability that among 5 tape recorders chosen for inspection one will be defective?

Expert's answer

"P(X=1)=\\frac{C_{10}^1*C_{90}^4}{C_{100}^5}=0.3394."

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