SOLUTION: A company takes a sample of 20 boxes of cereal from their production line.they believe that of the 20 boxes, four will have too little cereal in them and sixteen willhave the corre
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Question 603457: A company takes a sample of 20 boxes of cereal from their production line.they believe that of the 20 boxes, four will have too little cereal in them and sixteen willhave the correct amount.the company then randomly selects three of the boxes from the twenty and weighs them.assuming the company is correct about the number of light boxes, find the probability that the three boxes selected will all have the correct amount.
I tried to do the binomial probability equation and I ended up with a large number. Please help.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Try the Binomial Distribution again. Number of successes: 3, Number of trials: 3, P(success) on one trial = 
, so:
)\ =\ {{3}\choose{3}}\left(0.8\right)^3\left(0.2\right)^{0})
Hint: 
and 
John
My calculator said it, I believe it, that settles it
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