Technically, she could have lost way more, she just successfully lost both.
But if she starts with 20 pairs, and only loses a sock if she wears it, and only wears matching pairs, and only wears one pair per day, and has ~5% chance of losing exactly one sock on any given wear, then you’d expect her to lose a sock every 20 days, so after ~400 days she would have lost one from every pair.
I guess the real question is how long did it take to reach this point, so we can calculate the odds of her losing a sock on any given day (there’s a “sock market” pun in here somewhere, I’m sure…sonks?).
Technically, she could have lost way more, she just successfully lost both.
But if she starts with 20 pairs, and only loses a sock if she wears it, and only wears matching pairs, and only wears one pair per day, and has ~5% chance of losing exactly one sock on any given wear, then you’d expect her to lose a sock every 20 days, so after ~400 days she would have lost one from every pair.
I guess the real question is how long did it take to reach this point, so we can calculate the odds of her losing a sock on any given day (there’s a “sock market” pun in here somewhere, I’m sure…sonks?).
I knew I was at right place.