Question 6 - Mathematics: Probabilistic and Statistical Reasoning Practice Test for the TSIA2

The average (arithmetic mean) of \(a\) and \(b\) is \(-\frac{1}{2}\).
The average of \(b\) and \(c\) is \(\frac{1}{2}\).
The average of \(c\) and \(a\) is \(2\).

What is the average of \(a, b\) and \(c\)?

\[2\]
\[1\]
\[\dfrac{3}{2}\]
\[\dfrac{2}{3}\]

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