SOLUTION: A manufacturing company regularly conducts control checks at specified periods on the products it manufactures. historically the failure rate for led bulbs that the company manufac

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Question 1099140: A manufacturing company regularly conducts control checks at specified periods on the products it manufactures. historically the failure rate for led bulbs that the company manufactures is 15 %. suppose a random sample of 10 led bulbs is selected?
What is the probability that 3 or more or the led light bulbs are defective.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
P%28X%29=C%2810%2CX%29%2A%280.15%29%5EX%2A%281-0.15%29%5E%2810-X%29
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P=sum%28P%28X%29%2CX=3%2C10%29=0.1798