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Questions tagged [normal-approximation]

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20 votes
4 answers
5k views

Why does increasing the sample size of coin flips not improve the normal curve approximation?

I'm reading the Statistics (Freeman, Pisani, Purves) book and I'm trying to reproduce an example where a coin is tossed say 50 times, the number of heads counted and this is repeated say 1,000 times. ...
Chris Snow's user avatar
5 votes
2 answers
207 views

What is the correct terminology for repeating groups of coin flips multiple times in a simulation?

I previously posted a question that is causing a lot of confusion because my terminology is incorrect. I decided to post this question to ensure I am starting my problem with the correct terminology. ...
Chris Snow's user avatar
5 votes
1 answer
8k views

How to calculate confidence interval of incidence rate under the Poisson distribution

I'd like to be able to calculate the confidence interval for an incidence rate under the Poisson distribution. I am inclined to use a normal approximation formula (the Wald interval) which is $\text{...
Yuliya's user avatar
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