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Old 08-03-2007   #1
prashmanic
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Default What is the probability that less than 6 bulbs are faulty?

A factory manufacture light bulbs at the rate of several thousands per day. It is known that 65% of the bulbs are faulty, with a consignment of 10 bulbs. What is the probability that less than 6 bulbs are faulty?Could anyone show working using Binomial Distribution concept in Probability.
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Old 08-03-2007   #2
Federico M
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35%=chances a light bulb is faulty5 = bulbs that have to be good10 = total bulbs100%-(35% x 5/10)=82,5%
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Old 08-03-2007   #3
Yates
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It's binomially distributed with parameters n=10 and p=0.65X~B(10, 0.65)P(X
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