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\author{Teschl Gerald}
\title{Quiz 7}
\date{11 Sep. 1995}

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\hfill {\bf Name}: $\ul{\hspace*{5cm}}$\\[2mm]
\hspace*{2mm}\hfill {\bf ID \#}: $\ul{\hspace*{5cm}}$\\[5mm]

{\Huge Quiz 7}\\[5mm]


\noindent 1) The owner of a sandwich shop found that 
300 people bought sandwiches as follows:\\
\begin{tabular}{rl}
137 & chicken sandwich\\
59 & fish sandwich\\
29 & ham sandwich \\
75 & hamburgers. \\
\end{tabular}\\
Estimate the probabilty of a customer purchasing a chicken sandwich or a 
ham sandwich.~\hfill(3 pts)\\[3cm]

\noindent 2) 3 dice are rolled and the numbers added. What is the probability 
that the sum is 5?~\hfill(3 pts)\\[3cm]

\noindent 3) In a shipment of 50 computers there are 4 defective ones.
A company bought 5 of these computers. What is the probabilty
that they got one or more defective ones?~\hfill(4 pts)



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