It is meant to attribute uncertainty rather than randomness to the uncertain quantity.

By definition, an uncertain quantity is one whose value can lie anywhere along a specified range.

Avoid references to such an uncertain quantity.

When not including uncertainty, you find the optimal decision using only , the expected value of the uncertain quantity.

This is where the Jets are not only an uncertain quantity, but may also be weak.

The defensive secondary is an uncertain quantity.

The availability of substitutive work is a more uncertain quantity.

He was altogether an uncertain and dangerous quantity.

The Jets' offense isn't the only uncertain quantity.

One's time on earth is an uncertain quantity, but about the long reach of millions there is no doubt.