Mariana M.
asked 02/25/21Statistics probability
A manufacturing machine has a 1% defect rate. If 7 items are chosen at random. what is the probability that at least one will have a defect?
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1 Expert Answer
Dheerendra G. answered 02/25/21
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mechanical engineering graduate
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Dheerendra G.
APLLY BENAULI PROBABILITY DISTRIBUTION FORMULLA PROBABILTTY OF ITEM BEING DEFECTIVE=0.01 PROBABILITY OF NON DEFECTIVE=0.99 NOW PROBABILITY OF ATLEAST ONE=1-PROBABILITY OF 0 DEFECTIVE NOW YOU JUST WRITE THE BERNAULI FORMULLA FOR 0 DEFECTIVE AND YOU GET THE ANSWER02/25/21