`chi-square-cdf``x``degrees-of-freedom`procedurereturns the probability that a random variable is to the

**left**of`x`using the chi-square distribution with given`degrees-of-freedom`.

`chi-square-cdf``x``degrees-of-freedom`procedurereturns the probability that a random variable is to the

**left**of`x`using the chi-square distribution with given`degrees-of-freedom`.