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Why do the probabilities of all the different outcomes of an event add up to 1?
as you cannot get more than 1
Who do you Add Probabilities?
I do not add probabilities to anybody!
How do you find the sample mean?
Add the values of the variable for all elements in the sample and divide by the number of elements on the sample.
What function do you use to calculate the probabilities of compound events?
To calculate the probabilities of compound events, you can use the multiplication rule or the addition rule, depending on whether the events are independent or mutually exclusive. The multiplication rule is used when the events are independent, and you multiply the probabilities of the individual events. The addition rule is used when the events are mutually exclusive, and you add the probabilities of the individual events.
Does or mean to add or mulitply?
In probability, the probability of the occurrence of event A or event B is the sum of their probabilities only if they are mutually exclusive; not otherwise. So, by itself, "or" does not mean anything.
