## News tagged with probability

### Quantum Theory May Explain Wishful Thinking

(PhysOrg.com) -- Humans don’t always make the most rational decisions. As studies have shown, even when logic and reasoning point in one direction, sometimes we chose the opposite route, motivated by personal bias or simply ...

Apr 14, 2009
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### Rain or Shine? Computer Models How Brain Cells Reach a Decision

(PhysOrg.com) -- Yale University researchers have devised a computer model to explain how the brain makes decisions based on statistical probabilities-as, for instance, when a doctor makes a diagnosis based on several conflicting ...

Dec 14, 2009
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### Tell me how you are -- and I know how long you will live

The way people rate their health determines their probability of survival in the following decades. Researchers from the Institute of Social and Preventive Medicine at the University of Zurich demonstrate that for ratings ...

Feb 09, 2012
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### 'Clean' your memory to pick a winner, study says

Predicting the winner of a sporting event with accuracy close to that of a statistical computer program could be possible with proper training, according to researchers. In a study published today, experiment participants ...

Apr 22, 2013
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### Humans could have an innate sense of probability, research shows

(Medical Xpress)—Is a sense of probability learned or innate? To find out whether probability is a subject that people must learn in school, Vittorio Girotto and colleagues at University IUAV of Venice tested rural Mayan ...

Nov 04, 2014
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### What looks like play may really be a science experiment

(HealthDay)—You may think your toddler is just playing in the sand box, but she may really be conducting a sophisticated scientific experiment and learning something new every time she pours out another scoop of sand, new ...

Sep 27, 2012
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### High rate of false-positives with annual mammogram

During a decade of receiving mammograms, more than half of cancer-free women will be among those summoned back for more testing because of false-positive results, and about one in 12 will be referred for a biopsy.

Oct 17, 2011
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### The Goldilocks effect: Babies learn from experiences that are 'just right'

Long before babies understand the story of Goldilocks, they have more than mastered the fairy tale heroine's method of decision-making. Infants ignore information that is too simple or too complex, focusing instead on situations ...

May 23, 2012
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### Gene switch for odorant receptors

The olfactory sensory neurons in the nasal mucosa perceive the myriad smells in the air with the aid of odorant receptors. Each sensory neuron chooses one and only one receptor gene for expression. The probability that a ...

Nov 11, 2011
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### Tags for studying the spread of epidemics

Participants in a congress were asked to wear a tag for two days in order to study their movements and interactions within a population. The data, collected by a French-Italian team including researchers from CNRS, Inserm, ...

Jul 22, 2011
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## Probability

Probability, or chance, is a way of expressing knowledge or belief that an event will occur or has occurred. In mathematics the concept has been given an exact meaning in probability theory, that is used extensively in such areas of study as mathematics, statistics, finance, gambling, science, and philosophy to draw conclusions about the likelihood of potential events and the underlying mechanics of complex systems.

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