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Its called confidence. For instance a girl kept her keys on the dinning table where other friends saw her keeping it, now when she comes after a gap of two minutes after serving herself, the keys were gone, five people checked the entire flat, it was nowhere. Then you check your flat, its not there, someone in the morning comes to return the keys. What is the point of doing that when one had to break the lock a day before.

Alternate Answer:

Probability is a statistics based number that expresses numerically, and as a result of scientific measure and study, the likelihood that an event will occur. the process of arriving at a measure of likelihood of whether or not an event will or will not happen is called "developing a theory of probability." This number can be represented by either a ratio, or by a percentage. For example 1:1 would be ratio of probability that if you put your keys on the dining room table, and nobody else is at home, the keys will stay on the table. Introducing additional degrees of freedom to the equation, such as other people of nefarious backgrounds, or even a cat or a parrot, will alter the statistical probability that the keys will remain stationary. The lower the ratio, it becomes less statistically likely, or probable, that the keys will remain stationary. For example, our theory of probability may state that "With a kitten in the house that likes to get on top of the furniture and play with shiny things, the likelihood of the keys remaining stationary is 100,000:1; or very nearly 0%" Alternately, with a slight tweak to how the theoretical probability is stated, we can take the same exact number, invert it, and provide an inverse statistical probability. For example, we may say that, based on the criminal background of our house guest, the statistical probability is 100% that you will have to have new keys made for your apartment.

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What is probability how does probability relate to genetics?

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, or in other words find out the probability of a trait being in the phenotype or the genotype.


How do genetics use the principles of probability?

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, or in other words find out the probability of a trait being in the phenotype or the genotype.


Relate probability to the study of genetics?

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, or in other words find out the probability of a trait being in the phenotype or the genotype.


What is the relationship between risk and probability?

Risk is defined as "A possibility of incurring loss or misfortune". So that means it doesn't always happen, which implies that it will happen a certain percentage of the time. This percentage is also known as the probability of it occurring, which means if you know the probability of the risk happening you can do a lot of things with it, such as find the expected value of the risk :) If you were just told that it was possible that your house would burn down tomorrow, you wouldn't know what to expect, because you don't know the probability of this happening, but if you're told that something will happen with a 50% or even an 80% probability, you'll take the event more seriously.


How is probability helpful?

probability helps you find the chance of something like when you're rolling a dice you might want to know what is the chance you get a 1 or anyother number or if you want to find out how much of school is already over. I find probability very helpful for quickly changing fractions into deciamls.