https://www.nicovideo.jp/watch/sm33483623 https://www.youtube.com/watch?v=bwQdXVMdnJQ&t=2s

2. “ ”
— —

8.
=
p(x|b)
p(u|b)
=
1/2
1
= 1/2

9.
=
p(x|b)
p(u|b)
=
0
1/2
= 0

10.
=
p(x|b)
p(u|b)
=
1/2
1/2
= 1

11.
=
p(x|b)
p(u|b)
=
1/2 * 2/3
1/2 * 2/3 + 1/2 * 1/2
=
4
7

15.
2 * μ + (−1) * (1 − μ) = 3μ − 1
0 * μ + 2 * (1 − μ) = − 2μ + 2
3μ − 1 > − 2μ + 2
μ >
3
5
μ <
3
5
μ =
3
5

18.
2μ1 + (−1)μ2 + 2μ3
3μ1 + 3μ2 + 0μ3

20.
μ >
3
5
μ <
3
5
μ =
3
5
μ < 3/5

21.
μ >
3
5
μ <
3
5
μ =
3
5
μ > 3/5

22.
μ >
3
5
μ <
3
5
μ =
3
5
μ < 3/5

23.
μ >
3
5
μ <
3
5
μ =
3
5

27. 2μ + 0(1 − μ) = 2μ
0μ + 2(1 − μ) = 2 − 2μ

28. 2μ + 0(1 − μ) = 2μ
0μ + 2(1 − μ) = 2 − 2μ
μ >
1
2
μ <
1
2
μ =
1
2

29. 2μ + 0(1 − μ) = 2μ
0μ + 2(1 − μ) = 2 − 2μ
μ >
1
2
μ <
1
2
μ =
1
2

30. 2μ + 0(1 − μ) = 2μ
0μ + 2(1 − μ) = 2 − 2μ
μ >
1
2
μ <
1
2
μ =
1
2

31. 2μ + 0(1 − μ) = 2μ
0μ + 2(1 − μ) = 2 − 2μ
μ >
1
2
μ <
1
2
μ =
1
2

33. A B

38. See you next time