This probability distribution calculator is used to find the chances of events occurring. You can calculate the probability for three types of events through this conditional probability calculator.
How to use the probability calculator?
Here are the stages which the user has to complete to determine probability.
- Choose between repeat times.
- Enter the values for "the number of occurring".
- Enter the number of event A and event B.
- Click calculate.
There are Multiple output probabilities in total which are generated as a probability chart after you input the values.
These include the Probability of A which is denoted by P(A). Similarly, there is P(B). The other values are A’, B’, (A ∩ B), and (A ∪ B), and many other.
|Probability of A occuring 0 time(s)||0|
|Probability of A NOT occuring||0|
|Probability of A occuring||0|
|Probability of B occuring 0 time(s)||0|
|Probability of B NOT occuring||0|
|Probability of B occuring||0|
|Probability of A occuring 0 times and B occuring 0 times||0|
|Probability of neither A nor B occuring||0|
|Probability of both A and B occuring||0|
|Probability of A occuring 0 times but not B||0|
|Probability of B occuring 0 times but not A||0|
|Probability of A occuring but not B||0|
|Probability of B occuring but not A||0|
|Probability of A NOT occuring: P(A')||0|
|Probability of B NOT occuring: P(B')||0|
|Probability of A and B both occuring: P(A∩B)||0|
|Probability that A or B or both occur: P(A∪B)||0|
|Probability that A or B occurs but NOT both: P(AΔB)||0|
|Probability of neither A nor B occuring: P((A∪B)')||0|
|Probability of A occuring but NOT B:||0|
|Probability of B occuring but NOT A:||0|
|Probability of event that occurs P(A)||0|
|Probability of event that does not occurs P(A')||0|
What is probability?
In simple terms, probability is defined as the chance of getting a possible outcome. Consider that you have a dice and you have to determine the chance of getting 1 as the result. The probability of getting 1 would be 1/6.
The formula for calculating probability is very simple.
The calculation of probability is initiated with the determination of an event. Every event has two possible outcomes. The first scenario is that it would take place and the second is that it would not.
Total outcomes represent the maximum possible results that can be produced. For example, the total outcomes for a day of the week would be 7. This is simply because there are 7 days in a week.
How to calculate probability?
To understand how the values of events and outcomes are determined, let us consider a proper example.
Consider that you have a bottle filled with 7 peanuts, 4 pistachios, and 6 almonds. What is the probability that when you randomly pick one dry fruit, it would be a peanut?
We need to start by calculating the total outcomes. In this case, it would be given as
There are 7 peanuts in the bottle so:
The probability would be given as;
Total Probability should be exactly 1
When you are calculating the probability of multiple events, make sure that the total probability is 1. To elaborate on this point, we can re-consider the example given above.
In the previous heading, we calculated the probability of peanuts which was 0.41. Similarly, the probability of almonds and pistachios would be given as
Similarly, the probability of almonds would be given as
Hence, the total probability would be given as
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