(Solved):
a dealer's profit, in units of \( \$ 2000 \), on a new automobile can be looked upon as a random v ...
a dealer's profit, in units of \( \$ 2000 \), on a new automobile can be looked upon as a random variable X having the density function below, find the average profit per utomobile. \[ f(x)=\left\{\begin{array}{ll} \frac{2}{33}(7-x), & 0