The function p(x) is given by p(x) = A/x$^\mu$ where A and $\mu$ are constants with $\mu$ > 1 and 1 $\le$ x <$\infty$ and p(x) = 0 for -$\infty$ < x <1. For p(x) to be a probability density function, the value of A should be equal to
- $\mu$ – 1
- $\mu$ + 1
- 1/($\mu$ – 1)
- 1/($\mu$ +1)