Situation: An Internet café has 20 personal computers (PC), but eight of these have unlicensed software installed in them, while the other 12 contain genuine software packages. An antipiracy team...

Situation: An Internet café has 20 personal computers (PC), but eight of these have unlicensed<br>software installed in them, while the other 12 contain genuine software packages. An antipiracy<br>team randomly selects three of the 20 PCs for inspection.<br>A) What is the probability that the Internet café will be caught for using unlicensed software?<br>B) If X is the number of PCs with unlicensed software out of the sample of three PCs, what is E(X)?<br>C) What is Var(X)?<br>

Extracted text: Situation: An Internet café has 20 personal computers (PC), but eight of these have unlicensed software installed in them, while the other 12 contain genuine software packages. An antipiracy team randomly selects three of the 20 PCs for inspection. A) What is the probability that the Internet café will be caught for using unlicensed software? B) If X is the number of PCs with unlicensed software out of the sample of three PCs, what is E(X)? C) What is Var(X)?

Jun 03, 2022

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Situation: An Internet café has 20 personal computers (PC), but eight of these have unlicensed software installed in them, while the other 12 contain genuine software packages. An antipiracy team...

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