More impressive than using modern tools is that people in WW2 figured this out and modeled it on paper using slide rules.
[0] https://en.wikipedia.org/wiki/Discrete_uniform_distribution#...
[689, 341, 386, 741, 982, 414, 845, 241, 180, 447, 880, 21, 583, 993, 812]
it’s tough to see an argument for anything other than: a. about 1,000, or b. 1,000ish but there may be a confounding fact pattern we are unaware of....