The chance of a certain outcome is it's probability.
To take a chance is to take a risk; to try something without being certain of the outcome.
It is called gambling.
A Gamble or a chance.
risk
risk
Probability is the study of events whose outcome is not certain. If the experiment or trial is not random, and the experimenter conducts it in such a way that a certain outcome is obtained, then there is no probability involved: the question is deterministic.
To take a chance is to take a risk; to try something without being certain of the outcome.
certain outcome is a reasult of an action or event that is certain to happen.
A risk is a chance a person takes without knowing what the outcome will be. We call dangerous things "risky" because we aren't certain what will happen, but risks can also be good. If we don't take some risks in life then we never learn new things.
Probability is the chance of some outcome while actuality is the realistic chance and actual outcome of an event.
So scientists can know for certain if the factor they're testing affects the outcome and isn't caused by another factor which isn't being measured. It elimiantes the chance of another factor affecting the outcome of an experiment.
It Is Called An Outcome :) ( YOur Welcome)