How to calculate probability in probability and statistics? - ProProfs Discuss
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How to calculate probability in probability and statistics?

How to calculate probability in probability and statistics?

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Asked by Marlon , Last updated: Nov 09, 2024

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5 Answers

W. Kaye

W. Kaye

Here to answer and learn

W. Kaye
W. Kaye, Ex-Marine, Post Graduate, Chapel Hill

Answered Sep 28, 2020

Your knowledge of how to calculate probability will become simpler when you understand what is meant by the term probability. Probability largely means you are determining the chances of an event or something occurring.

1. When you are trying to calculate the probability of a single event, know that there will always a true possible outcome. For instance, the probability of rolling a six when throwing a die is either you roll a six or you have other numbers.

2. Using the example in step 1, continue by determining all the possible outcomes. Your answer should be six since you only have 6 numbers of a die i.e. from 1 to 6. This means the probability of rolling a six depends on the six possible outcomes.

3. Consider each attempt of rolling a die as one event, then use the number of possible outcomes to divide the number of events.

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Victoria Martian

Victoria Martian

I love to share my experiences online

Victoria Martian
Victoria Martian, Blogger, B.com in Journalism, New York

Answered Sep 21, 2020

When you calculate probability, you are attempting to figure out the likelihood of a specific event occurring, given a certain number of tries. An example is the tossing of the coin, which has a 50/50 rate of probability. It is either heads or tails.

Calculating probability is the likelihood of an event divided by the number of possible outcomes.

• These simple steps will help you calculate probability.

• Consider the impact of prior events when calculating the probability of two separate occasions.

• You will have to subtract one from the possible number of outcomes when calculating the probability of the second event.

• Multiply the probability of the second event.

• Set the odds as a ratio with a positive outcome as a numerator.

• Add the numbers to calculate the number of total outcomes.

• Add the numbers to convert the odds to probability.

• Find the odds as if you were determining the probability of a single event.

• Divide the number of potential outcomes by the number of total events to arrive at the probability.

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C. Marcus

C. Marcus

C. Marcus
C. Marcus, Content Developer, Washington

Answered Sep 17, 2020

Computing for probability is not something that people may immediately know.

To compute for probability, these are some of the things that you can do:

• First add the different probabilities of the different events that are available.

• Once you are able to do these things, subtract the probability of the events that are happening at the same time.

• The usual formula for probability is p(A and B) = p(A)* p(B).

• If in case you have noticed that the probability does not affect the other, this means that they are not related to each other.

Once you have come up with an answer, you will know the possibility of reaching a possible outcome.

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H. Barnes

H. Barnes

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H. Barnes
H. Barnes, Unemployed, Barnes, Atlanta

Answered Sep 03, 2020

Probability is known to be a mathematical calculation that can be done when used for different types of calculations. Probability can be used when there are different applications that are available.

For example, you will be using it to show the growth of your sales.

• Determine what the event is with the outcome that you need.
• Get to know the number of outcomes that may occur.
• Divide the number of events that are available with the number of potential outcomes that you can get.

Take note that some people usually become very confused when they need to know the difference between odds and probability. You can multiply all of the probabilities together to be sure with what you will get.

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J. Alfie

J. Alfie

I Write for myself and many other clients. Blog post, Article writing and writing for ProProfs is my daily thing.

J. Alfie
J. Alfie, Content Writer, Masters in Literature, Dallas,Texas

Answered Aug 27, 2020

Probability is the amount of times that an event is likely to occur.

It can be calculated using an easy formula and by following these steps below:

• First, identify the one event along with the one outcome associated with the event. Examples include the likelihood of rainy weather.

• Next, identify how many times it is likely that the event can occur.

• Then, click the square that is empty to place the blocks there,

• From there, using division to divide the amount of events by the amount of outcomes that occur. This will give you the correct probability.

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