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Probability is the chance of an event occurring. For example when flipping a coin you have a 50% chance that it will land on heads and a 50% chance that it will land on tails …since there are only two possibilities. Conditional probability refers to when one event is dependent on another event occurring. It can also be written as the probability of an event B occurring after event A has already occurred. The notation for conditional probability is P(B|A). (Note: this does not mean B divided by A but probability of B after A) When two events are dependent, the probability of them both occurring is: P(A and B)=P(A)P(B|A) So for example: 53% of residents have home owners insurance. Of them, 27% has auto-insurance. If a resident is selected at random, what is the probability they with have both insurances? Let H stand for home owners insurance = 53% or 0.53 Let A stand for auto insurance = 27% or 0.27 P(H and P)=P(H)P(A/H) =(0.53)(0.27) = 0.1431 So the probability of residents have both home owners and auto insurance is 0.1431 or 14.31% (MORE)

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A probability must be a real number in the interval [0, 1]. The sum (or integral) of the probabilities over all possible values must be 1.

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Empirical and experimental probability are the same thing. They are the outcome of an experiment.

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probablity of union probabilty of union is define as P(AUB)=P(A)+P(B)-P(AnB) (for not mutualy exclusive data( where atleast one event is common in two samples) P(AUB)=P(A)+P(…B) (mutualy exculsive) probablity of intersect P(AnB)=P(A).P(B) (MORE)

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the extent to which an event is likely to occur, measured by the ratio of the favorable cases to the whole number of cases possible

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In Probability

Probability tells you the chance that something will happen. For example: There are 3 red tiles, 5 green tiles and 2 pink tiles in a bag. What is the probability of picking a …red tile? First you find out how many red tiles there are. There are 3 red tiles. Then, you add up all the tiles. Altogether there are 10 tiles. So, there is a 3/10 probability that you will pick a red tile. (MORE)

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Probability is the chance (in percentage or decimal) of a particular event to happen. lets say that you tossed a coin. the possible events to happen are ending up with heads …or tails. the probability of having a head is 50% or .5 while the probability of having a tails is 50% or .5. to solve for the probability, divide the particular event with the total number of possible events. ex. what is the probability of getting a 3 when you rolled a dice? particular event= having a 3= 1 event total number of events= having either a 1, 2, 3, 4, 5, or 6= 6 events particular event/ total number of events= 1/6 hoped i helped! (MORE)

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Probability is what chance something has to happen. The Punnett Square is a way how to predict in genetics how likely an offspring is to have a trait passed on from parents, o…r in other words find out the probability of a trait being in the phenotype or the genotype. (MORE)

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The probability of you understanding this answer is slim... does that help?? That is how you use it in a sentance. ** Jeez, that's mean, and OP, check out people who h…ave the same exact question as you on here.. "What is probability" rather than how. (MORE)

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The uses of probability could be for the lottery, black jack or, your math homework. Actuaries use probability factors to determine costs and risks. It is an entire s…cience of its own and has a certification process. Insurance companies hire many actuaries to do probability calculations and create mortality tables. (MORE)