Probability Using the Mean and Standard Deviation

Use our simple online Probability Using the Mean calculator to find the solution with step-by-step explanation.

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In the pop-up window, select “Probability Using the Mean and Standard Deviation”. You can also use the search.

What is Probability in Math

Probability — the degree (relative measure, quantitative assessment) of the possibility of an event occurring. When the reasons for a possible event to actually occur outweigh the opposite reasons, the event is called probable, otherwise unlikely or improbable.

The preponderance of positive grounds over negative ones, and Vice versa, can be to various degrees, so that the probability (and improbability) is greater or less. Therefore, probability is often evaluated at a qualitative level, especially in cases where a more or less accurate quantitative assessment is impossible or extremely difficult. Various gradations of "levels" of probability are possible.