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There is no single formula of probability. The probability of a simple event in a trial is a measure of all outcomes which result in the event, expressed as a proportion of all possible outcomes.
If all the outcomes have the same probability then it is the ratio of the number of "favourable" outcomes to the total outcomes. However, the definition based on numbers fails if they are not equi-probable.
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Earn +20 ptsQ: What is the formula of probability?
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If nine fair coins are tossed what is the probability of obtaining at least one head and at least one tail using the complement formula?
255/256 (complement formula)
What happens to the probability of observing a t-random variable between -2 and 2 as you increase the degrees of freedom?
The probability increases.The probability increases.The probability increases.The probability increases.
What is the probability of getting kidnapped?
There is no probability. Sorry.
What is theoretical probability?
the probability a certain event will occur :-)
Can probability values be negative?
No. Probability values always have to be positive.
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