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In a previous article, I wrote a BASIC program that simulated pulling marbles out of a bag. I described my thought process, including how I initially thought I would have to randomize the virtual marbles in the virtual bag. I realized this would be unnecessary, but still offered a demonstration …

See also: part 1 and part 2. Today I will present Art Flexser‘s solution to this marble puzzle, as well as a corrected version of mine. First I will correct my version of the “pulling marbles out of a bag” puzzle recently presented by Steve Ostrom. I now understand the …

If you want to play with BASIC on a modern computer, here are two options I have found. PC-BASIC PC-BASIC from http://robhagemans.github.io/pcbasic/PC-BASIC is an implementation of the old GW-BASIC that came with MS-DOS. It allows you to enter commands directly (PRINT “HELLO WORLD”) just like the old days, and also …

See also: part 1 Well, you can disregard my previous article. I misunderstood the process Steve Ostrom was describing. I have a follow-up planned, but wanted to share Steve’s response when I explained what I thought the process was: … the probability puzzle is a little more complex. Here is …