What is the probability that less than 6 bulbs are faulty? - XP Math - Forums

 XP Math - Forums What is the probability that less than 6 bulbs are faulty?

 08-03-2007 #1 prashmanic Guest   Posts: n/a 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.
 08-03-2007 #2 Federico M Guest   Posts: n/a 35%=chances a light bulb is faulty5 = bulbs that have to be good10 = total bulbs100%-(35% x 5/10)=82,5%
 08-03-2007 #3 Yates Guest   Posts: n/a It's binomially distributed with parameters n=10 and p=0.65X~B(10, 0.65)P(X

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