Definition Of Probability

Question 0

Experiment

Answer 0

A test under controlled conditions that is made to demonstrate the truth, examine the validity of a hypothesis, or determine the efficacy of something previously untried.

Question 1

Probability

Answer 1

Is a numeric value representing the chance, likelihood, or possibility that a particular event will occur.

Question 2

Random experiment

Answer 2

Is an experiment that can result in different outcomes, even though it is repeated in the same manner every time.

Question 3

What is the objective to calculating probabilities?

Answer 3

Is to understand, quantify and model random experiments, so that we can make a decision that are not invalidated by variation.

Question 4

Probability from a sample space with equally likely outcomes.

Answer 4

Two events are said to be equally likely if one does not occur more often than the other. For example a 6 sided die. All the outcomes have a 1/6 chance.

Question 5

Permutations

Answer 5

All possible arrangements when the order is important.

Question 6

Combinations

Answer 6

All the possible arrangements when the order does not matter.