Probability Question P10 V2

How does the curriculum come up with 96.04% for the chance of selected bag that contains predominantly black chips? not sure why the answer for Q2 should be any different from that for Q1

it might be easier to answer if you post the question.

use search… has been posted before.

see this,1069468,1069837#msg-1069837

Thanks for the responces, guys! I tried to search for the old posts. But nothing came up. I am so glad that DoubleDip provided the link. Appreciate it!