[機統] 覺得奇怪但又不知道怎麼思考
題目是：
某製造公司，每100個成品中，至少有1個不良品出現，此一製品為兩個包裝成一箱出售，
若此每200箱中，至少一箱為不良品，試求1000箱中，出現不良品的有幾箱？
思考：為什麼不是1000/200呢？
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推
12/11 18:11, , 1F
12/11 18:11, 1F
→
12/11 22:00, , 2F
12/11 22:00, 2F
推
12/12 00:01, , 3F
12/12 00:01, 3F
→
12/12 00:04, , 4F
12/12 00:04, 4F
推
12/12 00:44, , 5F
12/12 00:44, 5F
→
12/12 10:16, , 6F
12/12 10:16, 6F
→
12/12 12:48, , 7F
12/12 12:48, 7F
→
12/12 12:51, , 8F
12/12 12:51, 8F
→
12/12 12:51, , 9F
12/12 12:51, 9F
→
12/12 12:51, , 10F
12/12 12:51, 10F
→
12/12 12:51, , 11F
12/12 12:51, 11F
推
12/12 13:12, , 12F
12/12 13:12, 12F
→
12/12 13:13, , 13F
12/12 13:13, 13F
→
12/12 13:13, , 14F
12/12 13:13, 14F
→
12/12 13:14, , 15F
12/12 13:14, 15F
推
12/12 16:08, , 16F
12/12 16:08, 16F
→
12/12 16:09, , 17F
12/12 16:09, 17F
→
12/12 16:19, , 18F
12/12 16:19, 18F