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你答的那些英语题用中文翻译出来是什么意思啊

来源:学生作业帮 编辑:大师作文网作业帮 分类:英语作业 时间:2024/09/24 13:18:22
你答的那些英语题用中文翻译出来是什么意思啊
1.How many committees of four can be formed from 20 Repiblicans and 15 Democrats if two members of each party must be the committee?
2.How many committees of four can be formed from 20 Repiblicans and 15 Democrats if at least one Republican and at least one Democrat must be on the committee?
3.A class consists of ten freshmen,twelve sophomores,and eight juniors.How many ways can five of these students be selected to serve on a committee?
4.A quality control inspector samples 4 computer chips from a box containing 10 computer chips.If the box contains 2 defective chips,in how many ways can he select a sample so that:
[a] all 4 are good?
[b]both defective chips are selected?
你答的那些英语题用中文翻译出来是什么意思啊
1.许多委员会四个如何可形成20 Repiblicans和15民主党人如果两个每个党员必须是委员会?
2.许多委员会四个如何可形成20 Repiblicans和15民主党人如果至少有一个共和党和至少一名民主党人必须在委员会?
3.一类由十名新生,十二大二,大三学生和八.
4.一个质量控制检查的样品4含10箱电脑芯片的计算机芯片.如果有缺陷的芯片中包含2有多少种方法可以选择一个样本,他说:..
[1]所有4个是好的?
选项[B]两个有缺陷的芯片被选中?