It is known that screws produced by a certain company will bedefective with probability 0.01 independently each other. Thecompany sells the screws in packages of 10 and offers a money backgurantee that none of the 10 screws is defective. What proportionof packages sold must the company replace?

Rasy An

Rasy An

Answered question

2022-07-27

Answer & Explanation

Jeffrey Jordon

Jeffrey Jordon

Expert2022-11-08Added 2605 answers

P=1-P(0)-P(1)=1-(10nCr0)(0.0110)(0.990)-(10nCr1)(0.011)(0.999)=1-0.9044-0.09135=0.00425

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