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[Sentence Correction]

试题详情

题目:

The Senate approved immigration legislation that would grant permanent residency to millions of aliens currently residing here and if employers hired illegal aliens they would be penalized.

选项:

A、if employers hired illegal aliens they would be penalizedhiring illegal aliens would be a penalty for employers
B、penalize employers who hire illegal aliens
C、penalizing employers hiring illegal aliens
D、employers to be penalized for hiring illegal aliens

答案:

C

提问:

if a certain coin is flipped,the probability that the coin will land heads is 1/2. If the coin is flipped 5 times, what is the probability that it will land up on the first 3 flips and not on the last 2 flips? 3/5 1/2 1/5 1/8 1/32 这道题是题库中的题,答案是1/32,但是我做的是5/16,思路是:可以出现一次两次三次正面且都出现在前三次,在前三次中选择出现一次的概率,出现两次的概率,出现三次的概率,相加3/32+3/32+1/32=5/16. 望老师解答,马上就要考试了,谢谢!

解答:

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解答: sysadmin

提问:

if a certain coin is flipped,the probability that the coin will land heads is 1/2. If the coin is flipped 5 times, what is the probability that it will land up on the first 3 flips and not on the last 2 flips? 3/5 1/2 1/5 1/8 1/32 这道题是题库中的题,答案是1/32,但是我做的是5/16,思路是:可以出现一次两次三次正面且都出现在前三次,在前三次中选择出现一次的概率,出现两次的概率,出现三次的概率,相加3/32+3/32+1/32=5/16. 望老师解答,马上就要考试了,谢谢!

解答:

点赞0
阅读1108
解答: sysadmin老师

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