|
a
|
b
|
c
|
d
|
|
|
1
|
0.5
|
0.3
|
0.1
|
0.6
|
|
2
|
0.75
|
0.25
|
0
|
|
|
3
|
5 /12
|
1 / 12
|
9 / 144
|
49 / 144
|
|
4
|
5 / 12
|
1 / 11
|
1 / 22
|
7 / 22
|
|
5
|
1 / 12
|
0.5
|
0.25
|
1 / 6
|
6.  |
a. 0.125 b. 0.375 c. 0.125 d. 0.5
|
7. 750
8. a. 20
b. 30
c. 40
9. a. 1 / 36
b. 1 / 6
c. 1 / 6
10.  |
P(faulty) = 0.4 x 0.2 + 0.25 x 0.1 + 0.35 x 0.05 = 0.08 + 0.025 + 0.0175 = 0.1225
|
