SOLUTION: Suppose that the probability of producing a defective light bulb is 0.0004. Ten light bulbs are selected at random. What is the probability that the lot of ten contains two defec

Algebra.Com
Question 199035: Suppose that the probability of producing a defective light bulb is 0.0004. Ten light bulbs are selected at random. What is the probability that the lot of ten contains two defective light bulbs?
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Suppose that the probability of producing a defective light bulb is 0.0004. Ten light bulbs are selected at random. What is the probability that the lot of ten contains two defective light bulbs?
-------------------------------
A binomial problem with n=10, p = 0.0004, x = 2
binompdf(10,0.0004,2) = 0.000007177
----------------
Cheers,
Stan H.

RELATED QUESTIONS

Hello, I need help with this question One light bulb is selected at random from a lot... (answered by math_helper)
A manufacturing plant produces a special kind of light bulb. Each light bulb produced... (answered by Boreal)
A manufacturing company regularly conducts quality control checks at specified periods... (answered by CPhill)
A manufacturing company regularly conducts quality control checks at specified periods on (answered by ikleyn,MathIsHard_Yay)
A box contains 10 light bulbs, two of which are defective. Three bulbs are selected from... (answered by stanbon)
Of the light bulbs available at a store, 45% are fluorescent, 21% are labeled as long... (answered by jorel555)
There are 10 light bulbs in a bag. Two are defective. Select a light bulb. What is the... (answered by stanbon)
A manufacturing company regularly conducts quality control checks at specified periods on (answered by jim_thompson5910)
three plants manufacture light bulb. plant 1 manufactures 40% of the light bulbs, plant 2 (answered by KMST)