public boolean setParallelJobProbabilities( 
    		double uLow, double uMed, double uHi, double uProb) {
    	if (uLow > uHi) {
    		return false;
    	} else if (uMed > uHi-1.5 || uMed < uHi-3.5) {
    		return false;
    	} else if(uProb < 0.7 || uProb > 0.95) {
    		return false;
    	}
   		this.uLow = uLow;
       	this.uMed = uMed;
       	this.uHi  = uHi;
       	this.uProb = uProb;
    	
        return true;
    }