2 ms·
I don't think so. After each drawing the number of whites is congruent modulo 2 to the initial number of whites. Hence, when there are two beans left, one will
by hasha 16y ago
I don't think so. After each drawing the number of whites is congruent modulo 2 to the initial number of whites. Hence, when there are two beans left, one will be white and the other black so the last bean will be white.
- JoachimSchipper 16y agoThat's the right answer, yes (you can even skip "Hence, when there...the other black"); but what do you mean by "I don't think so"?