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  2. Four fours - Wikipedia

    en.wikipedia.org/wiki/Four_fours

    For example, when d=4, the hash table for two occurrences of d would contain the key-value pair 8 and 4+4, and the one for three occurrences, the key-value pair 2 and (4+4)/4 (strings shown in bold). The task is then reduced to recursively computing these hash tables for increasing n , starting from n=1 and continuing up to e.g. n=4.

  3. 68–95–99.7 rule - Wikipedia

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

    In statistics, the 68–95–99.7 rule, also known as the empirical rule, and sometimes abbreviated 3sr or 3 σ, is a shorthand used to remember the percentage of values that lie within an interval estimate in a normal distribution: approximately 68%, 95%, and 99.7% of the values lie within one, two, and three standard deviations of the mean ...

  4. Percentage - Wikipedia

    en.wikipedia.org/wiki/Percentage

    The percent value can also be found by multiplying first instead of later, so in this example, the 50 would be multiplied by 100 to give 5,000, and this result would be divided by 1,250 to give 4%. To calculate a percentage of a percentage, convert both percentages to fractions of 100, or to decimals, and multiply them. For example, 50% of 40% is:

  5. Bill to merge three closed retirement systems, increase COLA ...

    www.aol.com/bill-merge-three-closed-retirement...

    TRS Plan 1 is 86 percent funded with a $1.1 billion unfunded liability with approximately 28,556 annuitants and 81 active members.” Sen. John Braun, R-Centralia, spoke in opposition to the bill.

  6. The 4% rule for retirement: Is it time to rethink this ... - AOL

    www.aol.com/finance/4-percent-rule-retirement...

    If you’re going to follow the 4% rule, Sprung suggests making adjustments over time based on your retirement goals. “The 4% rule, like any rule, should be used only as a guideline,” says Sprung.

  7. Vitality curve - Wikipedia

    en.wikipedia.org/wiki/Vitality_curve

    Microsoft managers are generally supposed to allocate reviews according to the following ratios: 25 percent get 3.0 or lower; 40 percent get 3.5; and 35 percent get 4.0 or better. Employees with too many successive 3.0 reviews are given six months to find another position in the company or face termination.

  8. Percentage point - Wikipedia

    en.wikipedia.org/wiki/Percentage_point

    A percentage point or percent point is the unit for the arithmetic difference between two percentages. For example, moving up from 40 percent to 44 percent is an increase of 4 percentage points (although it is a 10-percent increase in the quantity being measured, if the total amount remains the same). [ 1 ]

  9. Grading systems by country - Wikipedia

    en.wikipedia.org/wiki/Grading_systems_by_country

    The most common formula used in Bulgarian schools is currently Grade=(6* number of correct answers)/ total number of questions. That way if a student has answered 7 out of 10 questions correctly, their mark should be: (6*7)/10=4.20, which is graded as Good 4 or average performance.