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Limit Theorems
Limit Theorems

X - Purdue Engineering
X - Purdue Engineering

PDF
PDF

Connectivity Properties of Random Subgraphs of the Cube - IME-USP
Connectivity Properties of Random Subgraphs of the Cube - IME-USP

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A Note on Probability, Frequency and Countable Additivity

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Factor of safety and probability of failure

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Factor of safety and probability of failure

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BayesianNNs

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Self-Improving Algorithms Nir Ailon Bernard Chazelle Seshadhri Comandur

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Bayesian updating of mechanical models - Application in fracture mechanics

probability theory
probability theory

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Further Topics on Random Variables

... We are given a biased coin and we are told that because of manufacturing defects, the probability of heads, denoted by Y , is itself random, with a known distribution over the interval [0, 1]. We toss the coin a fixed number n of times and we let X be the number of heads obtained. Then, for any y ∈ ...
On various definitions of the variance of a fuzzy random variable
On various definitions of the variance of a fuzzy random variable

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The Uses of Probability and the Choice of a Reference Class

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Learning Sums of Independent Integer Random Variables

... be either -close to a sparse distribution (supported on poly(1/) consecutive integers), or -close to a translated Binomial distribution. In our current setting of working with k-SIIRVs for general k, structural results of this sort (giving arbitrary-accuracy approximation for an arbitrary k-SIIRV ...
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Randomness



Randomness is the lack of pattern or predictability in events. A random sequence of events, symbols or steps has no order and does not follow an intelligible pattern or combination. Individual random events are by definition unpredictable, but in many cases the frequency of different outcomes over a large number of events (or ""trials"") is predictable. For example, when throwing two dice, the outcome of any particular roll is unpredictable, but a sum of 7 will occur twice as often as 4. In this view, randomness is a measure of uncertainty of an outcome, rather than haphazardness, and applies to concepts of chance, probability, and information entropy.The fields of mathematics, probability, and statistics use formal definitions of randomness. In statistics, a random variable is an assignment of a numerical value to each possible outcome of an event space. This association facilitates the identification and the calculation of probabilities of the events. Random variables can appear in random sequences. A random process is a sequence of random variables whose outcomes do not follow a deterministic pattern, but follow an evolution described by probability distributions. These and other constructs are extremely useful in probability theory and the various applications of randomness.Randomness is most often used in statistics to signify well-defined statistical properties. Monte Carlo methods, which rely on random input (such as from random number generators or pseudorandom number generators), are important techniques in science, as, for instance, in computational science. By analogy, quasi-Monte Carlo methods use quasirandom number generators.Random selection is a method of selecting items (often called units) from a population where the probability of choosing a specific item is the proportion of those items in the population. For example, with a bowl containing just 10 red marbles and 90 blue marbles, a random selection mechanism would choose a red marble with probability 1/10. Note that a random selection mechanism that selected 10 marbles from this bowl would not necessarily result in 1 red and 9 blue. In situations where a population consists of items that are distinguishable, a random selection mechanism requires equal probabilities for any item to be chosen. That is, if the selection process is such that each member of a population, of say research subjects, has the same probability of being chosen then we can say the selection process is random.
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