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candace16 candace16
  • 20-06-2016
  • Mathematics
Answered

A shipment of 13 microwave ovens contains 4 defective units. A restaurant buys 4 of these units. What is the probability of the restaurant buying at lease three nondefective units?

Verified Answer :

Ckaranja
Ckaranja Ckaranja
  • 03-07-2016

P(3)= \(\frac{3}{4} * \frac{4}{13}\)
p(3 defective) =\(\frac{3}{13}\)

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