0:40:44: Q1. Should he switch or not switch? ANS: yes OR switch
0:43:05: Q2 Prob(winning|switching)? ANS: 2/3 OR 66% OR 0.66
0:47:54: Q3. Do you agree with A that probability reduce to 12 from 23 knowing C is going to be released? ANS: no
1:16:30: Q4. What is p(H3|G2, P1)? ANS: 1
1:47:11: Q5. can you fill in the code for “?”? ANS: np.random.randint(2)
2:09:58: Q6. What should be “?” here? ANS: .25
2:19:59: Q7. What should be inside “?”? (J.given(?))? ANS: C6==3
2:37:45: Q8. why 2 is not a sigma-field? ANS: because the complement of {1} is not included