Uncertainty sliders are Contingency Dashboard controls used to indicate the amount of uncertainty surrounding the key inputs to an estimate (Size, PI, Labor rate). Moving the slider bar from left to right provides a 99% confidence interval for the estimated size, PI (productivity), or labor rate. The uncertainty range for each input varies from 0 at the extreme left side of the scale (indicating you are certain of the exact input value) to a maximum variance at the right end of the scale. Slider bars should be positioned to reflect 99% confidence that the true value of each input will not fall outside the displayed range. Slider bar adjustments do NOT affect the current solution – they are only used to calculate probability chart/report distributions and the appropriate amount of risk buffer (contingency solution) for target probability profiles.