Almost Ninety Percent of People Are Likely to Open Direct

question 20

True/False

Almost ninety percent of people are likely to open direct mail if it looks interesting.

---

Definitions:

Discharge

The volume of water flowing through some stretch of a river or stream per unit of time.

Rate of Flow

The velocity at which a fluid (liquid or gas) moves through a channel, pipe, or porous medium.

Channel

A natural or artificial waterway through which water flows.

Hydrograph

A graph showing the rate of flow (discharge) versus time past a specific point in a river, or other channel or conduit carrying flow.