Chapter 3. Probability: Randomness
Sets, Subsets and Elements
Consider the following two sets #A# and #B#:
\[\begin{array}{rcl}
A &=& \{10,\,11,\,7,\,12,\,6,\,3,\,9,\,15\}\\\\
B &=&\{9,\,10,\,3,\,11,\,6\}
\end{array}\]
Which of the following statements is true?
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