When the pressure is on, Wegner wrote, the unconscious attempt to avoid errors consistently increases their likelihood of occurring.
Each outcome has a 50% probability of occurring and, in this instance, p(heads) and p tails) are each ½.
Events or outcomes that are equally probable have an equal chance of occurring in each instance.
These events are not hard to imagine: both came within a whisker of occurring recently.
Protection against the kind of storm that has a 1percentt chance of occurring in any given year will not be complete until 2011.
But at their best they have the virtue of occurring in a common arena, the place where all parts of a population meet.
And at a certain point, it seemed logical to me that you'd start to have some really bad things with a much higher probability of occurring.
When I see a problem that has even a 1percentt probability of occurring and is "irreversible" and potentially "catastrophic," I buy insurance.
FEMA has long based its flood planning on whether an area is protected against a flood that might have a 1percentt chance of occurring in any year, also known as a 100-year flood.
The officials said the upgraded system would result in a widespread reduction in water levels should the city be hit by the kind of flood that might have a 1percentt chance of occurring in any year.
The federal government has paid for a 350-mile network designed to defend the city from what is known as a 100-year storm surge – a flood with a 1% chance of occurring in any given year.
