puzzles

  1. J

    NY Times Puzzle

    Hello new friends. I’m not sure where to post this question so I’ll stay out of the way and start here. The NY Times has a new puzzle callled Letterbox that arranges 3 letters on each side of a square. The object is to make as few words as possible but still use all the letters. Letters can be...
  2. E

    Paired samples with competition

    Hi all, I have abit of a puzzle that at first may seem straightforward but I believe there is a complication. I have a paired design with each subject being a pot containing 2 plants, 1 treated and 1 untreated. Note that the treatments are applied before planting so they so not run onto...
  3. Nathan G

    Here's a good brain puzzler:

    If I choose an answer at random, what's the probability of getting it correct? A) 25% B) 0% C) 50% D) 25%
  4. M

    What is the probability for the second half of the question posted?

    I ran into this blog posting about russian roulette http://bayesianthink.blogspot.com/2012/11/winning-at-russian-roulette.html Curious to know what the probability for the second part of the question is? I'm getting it as 19/20 as there is just one case where it would not fire. But I think I...