Chapter 3. Probability: Randomness
Sets, Subsets and Elements
Consider the following two sets #A# and #B#:
\[\begin{array}{rcl}
A &=& \{10,\,1,\,2,\,3,\,15,\,11,\,12,\,4,\,9\}\\\\
B &=&\{3,\,10,\,2,\,12\}
\end{array}\]
Which of the following statements is true?
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