[閒聊] 曹錦輝與我弟的數學講義
我剛才經過弟弟的書桌,看到他學校的數學講義攤開著,
上面正好有一題是這樣的:
(以下忠實呈現,一字未改。)
1. 根據以往經驗,曹錦輝在投球過程中,第一球投出時數超過一百五十公里的
機率是0.9,在第一球投出時數超過一百五十公里的條件下,第二球也投出時
數超過一百五十公里的機率為0.8,求曹錦輝第一球和第二球都投出時數超過
一百五十公里的機率?
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推
10/08 11:38, , 1F
10/08 11:38, 1F
→
10/08 11:38, , 2F
10/08 11:38, 2F
推
10/08 12:14, , 3F
10/08 12:14, 3F
→
10/08 12:14, , 4F
10/08 12:14, 4F
推
10/08 12:45, , 5F
10/08 12:45, 5F
推
10/08 12:51, , 6F
10/08 12:51, 6F
→
10/08 13:11, , 7F
10/08 13:11, 7F
推
10/08 14:06, , 8F
10/08 14:06, 8F
推
10/08 14:35, , 9F
10/08 14:35, 9F
推
10/08 14:51, , 10F
10/08 14:51, 10F
推
10/08 15:05, , 11F
10/08 15:05, 11F
→
10/08 15:53, , 12F
10/08 15:53, 12F
→
10/08 15:55, , 13F
10/08 15:55, 13F
→
10/08 15:55, , 14F
10/08 15:55, 14F
→
10/08 15:57, , 15F
10/08 15:57, 15F
推
10/08 22:58, , 16F
10/08 22:58, 16F
推
10/09 01:10, , 17F
10/09 01:10, 17F
推
10/09 01:21, , 18F
10/09 01:21, 18F
推
10/09 08:29, , 19F
10/09 08:29, 19F
推
10/09 09:32, , 20F
10/09 09:32, 20F
推
10/09 10:48, , 21F
10/09 10:48, 21F
推
10/09 11:08, , 22F
10/09 11:08, 22F
推
10/09 12:47, , 23F
10/09 12:47, 23F
推
10/09 13:22, , 24F
10/09 13:22, 24F
→
10/09 13:22, , 25F
10/09 13:22, 25F
推
10/09 13:35, , 26F
10/09 13:35, 26F
推
10/09 13:54, , 27F
10/09 13:54, 27F
推
10/09 14:08, , 28F
10/09 14:08, 28F
推
10/09 14:27, , 29F
10/09 14:27, 29F
推
10/09 17:14, , 30F
10/09 17:14, 30F
推
10/09 17:27, , 31F
10/09 17:27, 31F
推
10/09 18:26, , 32F
10/09 18:26, 32F
推
10/09 18:30, , 33F
10/09 18:30, 33F
→
10/09 20:12, , 34F
10/09 20:12, 34F
推
10/09 20:18, , 35F
10/09 20:18, 35F
→
10/09 20:27, , 36F
10/09 20:27, 36F
推
10/09 22:05, , 37F
10/09 22:05, 37F
推
10/09 22:07, , 38F
10/09 22:07, 38F
推
10/10 00:22, , 39F
10/10 00:22, 39F
推
10/10 11:36, , 40F
10/10 11:36, 40F
推
10/10 18:07, , 41F
10/10 18:07, 41F
→
10/10 18:10, , 42F
10/10 18:10, 42F
推
10/11 00:54, , 43F
10/11 00:54, 43F
→
10/11 00:55, , 44F
10/11 00:55, 44F
→
10/11 14:10, , 45F
10/11 14:10, 45F
→
10/11 14:16, , 46F
10/11 14:16, 46F
→
10/11 14:18, , 47F
10/11 14:18, 47F
推
10/12 17:00, , 48F
10/12 17:00, 48F
推
10/16 07:51, , 49F
10/16 07:51, 49F
推
11/05 19:42, , 50F
11/05 19:42, 50F
推
11/10 01:28, , 51F
11/10 01:28, 51F
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