Mathematics, 29.10.2019 17:31, destinycasillas

Acertain construction company buys 20%, 30%, 50% of their nails from hardware suppliers a, b and c respectively. suppose it is known that 0.05%, 0.02% and 0.01% of the nails from a, b and c respectively are defective. what percentage of the nails purchased by the construction company are defective. if a nail purchased by the construction company is defective, what is the probability that it came from supplier c?

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Acertain construction company buys 20%, 30%, 50% of their nails from hardware suppliers a, b and c r...