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A computer retail store has 10 personal computers in stock. A buyer wants to purchase 4of them. Unknown to either the retail store or the buyer, 4 of the computers in stock have defective hard drives.
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A computer retail store has 10 personal computers in stock. A buyer wants to purchase 4of them. Unknown to either the retail store or the buyer, 4 of the computers in stock have defective hard drives. Assume that the computers are selected at random.What is the probability that at least one of the computers selected is defective?

User Rahman Rezaee
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Given


\begin{gathered} n=10 \\ x=1,2,3,4 \end{gathered}

We are solving for x = 1, 2, 3,4

Formula

Now

when x=1


undefined

A computer retail store has 10 personal computers in stock. A buyer wants to purchase-example-1
User Sten Kin
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