Sentences with phrase «probability over a span of time»

While both are multi-century events, their probability over a span of time has no relevance to when they happen.

Not exact matches

The hazard is expressed in terms of the probability of exceeding a certain level of shaking in 50 years — not only because the hazard in places like California is not expected to change much over that time period, but also because 50 years — the typical life span of a building — is a useful period of time for engineers.
Were the hypothesis that warming will increase at least 1C / decade averaged over a millennium at 95 % confidence, nineteen times in twenty, given the noise in the signal, all other things being equal, we'd first need 17 years at least to get some kinda sketchy data, and then could begin calculating from the set of subsequent running or independent 17 year spans (a different calculation for each, depending on the PDF) the probability that a -20 C decade would be consistent with a +1 C / decade hypothesis.
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