Single Event Probability Tutorial

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Single Event Probability

Probability definition:

Probability is used to find the number of occurrence of an event out of possible outcomes. Probability should always lies between 0 and 1.

Single Event probability definition:

Single-event probability is used to find the probability for a single event that occurs for an experiment. For example, consider tossing a coin, we will get single event (either head or tail) as expected result.

Formula:

Probability that event A occurs P(A) = n(A) / n(S). Probability that event A does not occur P(A') = 1 - P(A).
where,

n(A) - number of event occurs n(S) - number of possible outcomes P(A) is the probability of single event A.

Example:

Consider a die is rolled, there is a chance of six different outcomes as 1,2,3,4,5 and 6. Calculate the probability of getting even numbers?

where,

n(A) = 3, total number of even numbers occured is 3. n(S) = 6,total number of outcomes is 6. Probability that event A occurs = P(A) = n(A) / n(S) = 3 / 6 = 0.5. Probability that event A does not occur = P(A') = 1 - P(A) = 1 - 0.5 = 0.5.

This tutorial will guide you to calculate the basic probability distribution for a single event.

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