Simple Probability
Probability is a mathematical concept that quantifies the likelihood of an event occurring
Probability is a mathematical concept that quantifies the likelihood of an event occurring. It is expressed as a number between 0 and 1, with 0 representing an impossible event and 1 representing a certain event. In simple terms, probability measures how likely something is to happen.
To calculate simple probability, you need to determine the number of favorable outcomes and the total number of possible outcomes. The formula for simple probability is:
Probability = Number of Favorable Outcomes / Total Number of Possible Outcomes
For example, let’s say you have a bag of colored marbles. There are 4 red marbles, 3 blue marbles, and 5 green marbles. What is the probability of randomly selecting a blue marble?
Number of Favorable Outcomes (blue marbles) = 3
Total Number of Possible Outcomes (all marbles) = 4(red) + 3(blue) + 5(green) = 12
Probability = 3/12 = 1/4 = 0.25
Therefore, the probability of randomly selecting a blue marble is 0.25 or 25%.
It’s important to note that the concept of probability is widely used in various fields such as statistics, genetics, finance, and more. It helps us make predictions, assess risks, and analyze data.
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