Possibility

👨🏻‍🏫 學術台數學

2010-10-10 1:35 am

A paper has 3sections ,each has 2 questions .candidates must answer total 4 questions , what is the possibilities without consider the order.

回答 (2)

2010-10-10 5:02 am

✔ 最佳答案

Total questions =3 * 2=6 questions

Choose 4 question from 6 questions
6C4 =6!/(4!*2!) =15 possibilities

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2010-10-10 4:28 am

串錯字囉！
機會率係probability呀！

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收錄日期: 2021-04-24 09:46:34
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