Murphy's Law

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Murphy's Law

  1. 1. Murphy’s Law Meaning of the statement “The best laid plans of mice and men / Often go1 awry.” Murphy’s Law maxim2 Buttered Side Toast a Chances for buttered side lands up % b Chances for buttered side lands down % c Toasts have random behavior T F d Before hitting the floor, the toast makes a T F complete revolution e The force of gravity is responsible for toast T F3 landing buttered side down f The laws of physics are not linked to the T F toast falling down a table g Extrinsic factors affect the landing of the T F falling toast h People understand the laws of physics but T F still believe in bad luck Supermarket Lines a How do we compute which line is moving faster? b If there are five lines, what are our chances4 to choose the fastest line? c If there are three lines, what are our chances to choose the fastest line? d Simple probability is against you. T F e The more lines the better chance to get into T F the fastest line. f Luck and simple probability are linked T F
  2. 2. Murphy’s Law of Gambling a What is a “life history?” b Two examples of life history are: c What’s the “gambler’s fallacy?” d Probability theory applies nicely to gambling. T F5 e Weather patterns have a life history. T F f Flowers’ blooming follow the theory of T F probability. g Dice have a life history. T F h Gambling has no reliable patterns. T F i The possibility of rolling 5 in a dice is about T F 16%. j A single event can be computed T F mathematically. Summary: Real Explanations a Buttered Toast b Supermarket Lines6 c Gambling with Dice
  3. 3. Murphy’s Law: Exercise Notes

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