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Number of possibilities for one category / Total of all possibilities. For example, if I had a bag of marbles where there are three white marbles and two black marbles. The probability of pulling out a white marble is how many white marbles are in the bag which is: three. But the total of things you can draw out of the bag can either be one of the three white marbles or one of the two black marbles. 3 white marbles+ 2 Black marbles= five marbles. Possibility is 3/5 for drawing a white marble.
What else can I help you with?
What is the equation used to determine probability in what ways can probability be expressed?
Probability = number of times an event is expected to happen / number of opportunities for an event to happen It can be expressed as a percentage or a fraction.
How is probability used in genetics?
probability is used in genetics to determine the possibilities of offspring having a certain trait
What is used to determine the probability of a trait?
the punnett square
Used to determine the probability of having specific offspring from two known parents?
Genotype is used to determine the probability of having specific offspring from two known parents.
What can principles of probability can be used for?
To determine the outcome of genetic crosses.
