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  2. Rule of 72 - Wikipedia

    en.wikipedia.org/wiki/Rule_of_72

    Thus at 3.5% inflation using the rule of 70, it should take approximately 70/3.5 = 20 years for the value of a unit of currency to halve. [ 1 ] To estimate the impact of additional fees on financial policies (e.g., mutual fund fees and expenses , loading and expense charges on variable universal life insurance investment portfolios), divide 72 ...

  3. Secretary problem - Wikipedia

    en.wikipedia.org/wiki/Secretary_problem

    The cutoff rule (CR): Do not accept any of the first y applicants; thereafter, select the first encountered candidate (i.e., an applicant with relative rank 1). This rule has as a special case the optimal policy for the classical secretary problem for which y = r. Candidate count rule (CCR): Select the y-th encountered candidate. Note, that ...

  4. Normal distribution - Wikipedia

    en.wikipedia.org/wiki/Normal_distribution

    In probability theory and statistics, a normal distribution or Gaussian distribution is a type of continuous probability distribution for a real-valued random variable.The general form of its probability density function is [2] [3] = ().

  5. 70/20/10 Saving Rule: Is This One a Better Fit for You? - AOL

    www.aol.com/finance/70-20-10-saving-rule...

    Take, for instance, the 70/20/10 savings rule. According to David Kemmerer, CEO of CoinLedger , it’s a budgeting strategy that a lot of people today are forced to go by, when the popular 50/30 ...

  6. How to budget with the 50/30/20 rule: A simple, effective ...

    www.aol.com/finance/50-30-20-budgeting-rule...

    Try a 70/20/10 rule — with 70% for needs, 20% for savings and debt repayment and 10% for non-essential wants. You want to pay down high-interest debt faster.

  7. 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, 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, respectively.

  8. Standard deviation - Wikipedia

    en.wikipedia.org/wiki/Standard_deviation

    If the standard deviation were zero, then all men would share an identical height of 69 inches. Three standard deviations account for 99.73% of the sample population being studied, assuming the distribution is normal or bell-shaped (see the 68–95–99.7 rule, or the empirical rule, for more information).

  9. Fantasy Football: Players to consider dropping to make room ...

    www.aol.com/sports/fantasy-football-players...

    The following is an excerpt from the latest edition of Yahoo's fantasy football newsletter, Get to the Points! If you like what you see, you can subscribe for free here. Most fantasy advice will ...