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Probability sample

probability sample

Each individual in the sample has a known, generally equal, chance of being selected.


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Theories - Origin of Life

... for any particular mutation, it is possible to calculate the exact probability. (I realize that you have now started talking about multiple mutations as well ‒ I will address that below.) Sample calculation: There are several single point mutations in DNA gyrase which ...

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by AstraSequi
Tue Mar 27, 2012 2:30 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 907196

Does muliplication Rule of probability apply on sexes?

... books and it seems to me like they conflict their veiws on some of the probability problems. Campbell's Biology said "To find the probability ... chance of having three boys is 1/2 x 1/2 x 1/2 = 1/8." Here is a sample problem and solution form Baron's Biology. "A couple has 6 children, ...

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by potatoyuu
Sun Mar 20, 2011 10:58 am
 
Forum: General Discussion
Topic: Does muliplication Rule of probability apply on sexes?
Replies: 4
Views: 4912

Re: Brain size=IQ level theory (Blacks vs Whites & Asians)

... MRI-measured-brain-size and IQ in 8 separate studies with a total sample size of 381 non-clinical adults. This correlation is about as strong ... that men evolved larger (more costly) brains because they enhance their probability of becoming socially dominant and thus more reproductively successful; ...

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by TJJ
Fri May 16, 2008 12:13 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 72
Views: 263512

help on correct descriptive statistics of a project

It’s going to be tough to get terribly good normal probability plots with such a small sample size. They look “OK” to my eye—but I warn you: what I am willing to accept and what your prof ...

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by blcr11
Thu Dec 06, 2007 6:19 pm
 
Forum: General Discussion
Topic: help on correct descriptive statistics of a project
Replies: 4
Views: 3706

Some MCQs

... close relatives can be detrimental for which reason? it increases the probability that individuals homozygous for a recessive genetic disease allele ... by the ongoing substitution process populations, each carrying a sample of the species' polymorphisms, become isolated from one another selection ...

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by biology_06er
Tue Nov 13, 2007 2:25 am
 
Forum: General Discussion
Topic: Some MCQs
Replies: 3
Views: 5247
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