enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. High availability - Wikipedia

    en.wikipedia.org/wiki/High_availability

    High availability (HA) is a characteristic of a system that aims to ensure an agreed level of operational performance, usually uptime, for a higher than normal period. [1] ...

  3. 68–95–99.7 rule - Wikipedia

    en.wikipedia.org/wiki/68–95–99.7_rule

    Every 1.38 million years (twice in history of humankind) μ ± 6.5σ: 0.999 999 999 919 680: 8.032 × 10 −11 = 0.080 32 ppb = 80.32 ppt: 1 in 12 450 197 393: Every 34 million years (twice since the extinction of dinosaurs) μ ± 7σ: 0.999 999 999 997 440: 2.560 × 10 −12 = 2.560 ppt: 1 in 390 682 215 445: Every 1.07 billion years (four ...

  4. Nines (notation) - Wikipedia

    en.wikipedia.org/wiki/Nines_(notation)

    1 troy ounce of four nines fine gold (999.9) Nines are an informal logarithmic notation for proportions very near to one or, equivalently, percentages very near 100%. Put simply, "nines" are the number of consecutive nines in a percentage such as 99% (two nines) [1] or a decimal fraction such as 0.999 (three nines).

  5. ACT (test) - Wikipedia

    en.wikipedia.org/wiki/ACT_(test)

    A sampling of ACT admissions scores shows that the 75th percentile composite score was 24.1 at public four-year institutions and 25.3 at private four-year institutions. In addition, some states and individual school districts have used the ACT to assess student learning and/or the performance of schools, requiring all high school students to ...

  6. 97.5th percentile point - Wikipedia

    en.wikipedia.org/wiki/97.5th_percentile_point

    The approximate value of this number is 1.96, meaning that 95% of the area under a normal curve lies within approximately 1.96 standard deviations of the mean. Because of the central limit theorem, this number is used in the construction of approximate 95% confidence intervals. Its ubiquity is due to the arbitrary but common convention of using ...

  7. Tolerance interval - Wikipedia

    en.wikipedia.org/wiki/Tolerance_interval

    A tolerance interval (TI) is a statistical interval within which, with some confidence level, a specified sampled proportion of a population falls. "More specifically, a 100×p%/100×(1−α) tolerance interval provides limits within which at least a certain proportion (p) of the population falls with a given level of confidence (1−α)."

  8. Demographics of Israel - Wikipedia

    en.wikipedia.org/wiki/Demographics_of_Israel

    Parents are expected to participate in courses as well. The school system is organized into kindergartens, 6-year primary schools, and either 6-year secondary schools or 3-year junior secondary schools + 3-year senior secondary schools (depending on region), after which a comprehensive examination is offered for university admissions.

  9. Education in Croatia - Wikipedia

    en.wikipedia.org/wiki/Education_in_Croatia

    Primary and secondary education is essentially free because it is mostly sponsored by the Ministry of Education of the government of Croatia.Higher education is also mostly free because the government funds all public universities and allows them to set quotas for free enrollment, based on students' prior results (usually high school grades and their scores on a set of exams at enrollment).