Question

Which of the following terms is not related to probability?
A. Randomness
B. Outcome
C. Event
D. None

Answer 1

Hint: In order to solve this question we will use the definition of probability and different terms associated with it. We will go through all the options and their meaning to select the correct option.

Complete step-by-step answer:
Let us study the basic definitions of probability and each of the options.
A. Randomness
One way of thinking about "randomness" is that it's a way of expressing what we don't know. Perhaps if we knew more about the force I flipped the coin with, the initial orientation of the coin, the impact point between my finger and the coin etc.
Randomness is the property of the event whose outcome is unknown and all the outcomes are possible. We find the probability for a random event.
So, randomness is related to probability.
B. Outcome
Probability is a measure that is associated with how certain we are of outcomes of a particular experiment or activity. So, in probability the outcome of the event is monitored.
So, outcome is also related to probability.
C. Event
In Probability theory, an event is a set of outcomes of an experiment (a subset of the sample space) to which a probability is assigned.  A single outcome may be an element of many different events.
So, event is also related to probability.
D. None
As all of the above is associated with probability. So, option none is the correct option.
Hence, the words randomness, event and outcome are associated with probability.
So, option D is the correct option.

Note- Probability is the branch of mathematics concerning numerical descriptions of how likely an event is to occur or how likely it is that a proposition is true. For solving such types of problems students must be aware of all the basic definitions of probability.