4 ms·
The urn problem ("Calculate the number of blue balls in the second urn.") just assumes that the balls in the urns are randomized. If not, then the formula they
by 8bitsrule 5y ago
The urn problem ("Calculate the number of blue balls in the second urn.") just assumes that the balls in the urns are randomized. If not, then the formula they solve with doesn't work. (If the 4 blue balls are underneath the 16 reds...)