SOLUTION: A shipment of light bulbs undergoes an inspection where 200 bubls are testes and 6 turn out defective. a.What is the probability that a light bulb in this shipment is defective?

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Question 22696: A shipment of light bulbs undergoes an inspection where 200 bubls are testes and 6 turn out defective.
a.What is the probability that a light bulb in this shipment is defective?

b. If the shipment contains 10280 light bulbs, predict how many from the entire shipment will be defective.




Answer by rapaljer(4551) About Me  (Show Source):
You can put this solution on YOUR website!
Probability of a defective bulb = %28Number+Defective%29%2F%28Total+Tested%29

The ratio of defective bulbs to the number of bulbs tested would be the fraction
6%2F200=3%2F100= 3%

Out of 10280 bulbs, you would expect that approximately
.03%2A10280=308.4 or about 308 or 309 bulbs will be defective.

R^2 at SCC