1:41:21: Q1. What is Pr(W=r)? ANS: 0.3
1:44:54: Q2. Pr(W=S|T< 90)? ANS: \(1/3\)
1:54:20: Q3. What is probability of order to be ABCDEF? ANS: \(1/6!\) OR \(1/720\)
1:56:26: Q4 what is the probability ABC assigned to team black? ANS: \(1/20\)
2:04:25: Q5, what is the probability of getting 3 whites after 6 drawings with substitution (putting it back)? ANS: \(20*(1/4)^3*(3/4)^3\) OR .1318
2:14:58: Q6. what is probability of drawing from Jar A? ANS: \(\frac{(1/4)^3 (3/4)^3}{(1/4)^3 (3/4)^3 + (1/2)^3 (1/2)^3}\) OR 0.29
2:23:44: Q7 Pr(Jar=A|Ball=white)? ANS: \(1/3\)
2:32:47: Q8 What is variance of X? X is uniform from -1 to 1. ANS: \(1/3\)