•
5C
2
=10
•
3P
3
=6
•
3P
=6
3
•
4C
=6
2
•
8P
=336
3
•
8P
3
=362,880
•
15C
4
=1365
•
13C
=715
4
•
12C
=792
5
•
11C
=
330
4
•
5C
=
10
2
•
9P
=
504
3
•
18C
=
504
3
•
12P
=
11,880
4
𝒏 𝑯 ∪ 𝑫 = 𝟏𝟗 + 𝟏𝟐 + 𝟏𝟒
𝒏 𝑫 = 𝟏𝟒
𝒏 𝑯 + 𝒏 𝑫 = 𝟏𝟗 + 𝟏𝟒 = 𝟑𝟑
𝒏 𝑯∪𝑫
/
= 𝟏𝟎𝟎 − 𝟒𝟓 = 𝟓𝟓
1
3
3
4
40%
∙
1 3
∙
3 4
0.18
0.18 ∙ 0.7
𝟎. 𝟏𝟐𝟔
=
𝟏
𝟒
0.7
0.4 ∙ 0.42
𝟎. 𝟏𝟔𝟖
42%
•
•
𝑛 𝐴
𝟏
𝑃(𝐴) =
=
𝑛 𝑠
𝟔
𝑃 6𝑇 = 𝑃 𝐴 ∙ 𝑃 𝐵
1 1
𝟏
= ∙ =
6 2 𝟏𝟐
𝑛 𝐴
6
𝟏
𝑃(𝐵) =
=
=
𝑛 𝑠
12 𝟐
𝑛(𝑆) = 25
10 𝟐
𝑃 𝑏𝑜𝑦 =
=
25 𝟓
15 𝟓
𝑃 𝑔𝑖𝑟𝑙/𝑏𝑜𝑦 =
=
24 𝟖
𝑃 𝑏𝑜𝑦, 𝑔𝑖𝑟𝑙 = 𝑃 𝑏𝑜𝑦 ∙ 𝑃 𝑔𝑖𝑟𝑙/𝑏𝑜𝑦
2 5
𝟏𝟎
𝟏
= ∙ = =
5 8
𝟒𝟎
𝟒
𝑛(𝑆) = 𝟏𝟐
𝟓
𝑃 𝑟𝑒𝑑 =
𝟏𝟐
𝟒
𝑃 𝑏𝑙𝑢𝑒 𝑎𝑓𝑡𝑒𝑟 𝑟𝑒𝑑 =
𝟏𝟏
𝑏𝑙𝑢𝑒
𝑃 𝑟𝑒𝑑, 𝑡ℎ𝑒𝑛 𝑏𝑙𝑢𝑒 = 𝑃 𝑟𝑒𝑑 ∙ 𝑃
𝑟𝑒𝑑
5 4
20
𝟓
=
∙
=
=
12 11 132 𝟑𝟑
𝑃 𝑆𝑎𝑡𝑢𝑟𝑑𝑎𝑦 = 60% = 0.6
𝑃 𝑆𝑢𝑛𝑑𝑎𝑦 = 50% = 0.5
𝑃 𝑆𝑎𝑡 𝑎𝑛𝑑 𝑆𝑢𝑛 = 𝑃 𝑆𝑎𝑡 ∙ 𝑃 𝑆𝑢𝑛
= 0.6 0.5
= 𝟎. 𝟑
𝑃 𝑆𝑎𝑡 𝑜𝑟 𝑆𝑢𝑛 = 𝑃 𝑆𝑎𝑡 + 𝑃 𝑆𝑢𝑛
− 𝑃 𝑆𝑎𝑡 𝑎𝑛𝑑 𝑆𝑢𝑛
= 0.6 + 0.5 − 0.3 = 𝟎. 𝟖
1 4
4
𝟏
∙
=
=
12 12 144 𝟑𝟔
4 3
12
𝟒
∙
=
=
12 11 132 𝟏𝟏
2 1
2
𝟏
∙
=
=
12 11 132 𝟔𝟔
5 7
𝟑𝟓
∙
=
12 11 𝟏𝟑𝟐
5 2
10
𝟓
∙
=
=
12 12 144 𝟕𝟐
1 4
4
𝟏
∙
=
=
12 12 144 𝟑𝟔
𝑃 𝑆𝑎𝑡 𝑎𝑛𝑑 𝑆𝑢𝑛 = 𝑃 𝑆𝑎𝑡 ∙ 𝑃 𝑆𝑢𝑛
= 0.6 0.5
𝑃 𝑆𝑎𝑡 𝑜𝑟 𝑆𝑢𝑛 = 𝑃 𝑆𝑎𝑡 + 𝑃 𝑆𝑢𝑛 − 𝑃 𝑆𝑎𝑡 𝑎𝑛𝑑 𝑆𝑢𝑛
= 0.6 + 0.5 − 0.3 = 𝟎. 𝟖
= 𝟎. 𝟑