数理统计的问题求解答 - 经管之家

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数理统计的问题求解答

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收藏 2016-02-20

悬赏 7 个论坛币已解决

We toss a coin repeatedly until it lands heads up for the first time. We repeat this
experiment three times with the same coin and obtain the following data:
Experiment Outcome
1 Coin landed heads up on the third toss
2 Coin landed heads up on the fifth toss
3 Coin landed heads up on the fourth toss
Let denote the probability that the coin lands heads up when tossed, where 0 1.
a. [5 pts] Estimate using the method of moments.
b. [5 pts] Estimate using the method of maximum likelihood.
跪求跪求

最佳答案

chloexue 查看完整内容

Just a try, please see and check. If anything wrong, please correct.

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2016-2-20 07:22:40

corrine_luly 发表于 2016-2-20 09:19
There are three experiments. For each experiment we toss a coin for several times until the first ...

Just a try, please see and check. If anything wrong, please correct.

QQ图片20160221215043.jpg

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2016-2-20 08:23:07

Your question makes me confused. Based on the condition "We repeat this experiement 3 times ", how you get the experiement outcome "on the 5th toss" and "on the 4th toss"?

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2016-2-20 09:19:58

chloexue 发表于 2016-2-20 08:23
Your question makes me confused. Based on the condition "We repeat this experiement 3 times ", how ...

There are three experiments. For each experiment we toss a coin for several times until the first head appears. So in each experiment, it may be tossed for 4,5 or any other times. Can you figure it out?

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2016-2-20 10:30:42

what do u wanna estimate, U should edit your question better so that others can understand, not by guess

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2016-2-26 16:21:27

chloexue 发表于 2016-2-20 07:22
Just a try, please see and check. If anything wrong, please correct.

Sorry about that. Because I have solved by myself so I didn't keep focusing on the website. Your answer is very awesome. Thanks for your help,sincerely!

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