A study of chromosome abnormalities and criminality examined data on 4124 Danish males born in Copenhagen. The study used the penal registers maintained in the offices of the local police chiefs and classified each man as having a criminal record or not. Each was also classified as having the normal male XY chromosome pair or one of the abnormalities XYY or XXY. Of the 4096 men with normal chromosomes, 381 had criminal records, while 8 of the 28 men with chromosome abnormalities had criminal records. Some experts believe that chromosome abnormalities are associated with increased criminality.
Do these data lend support to this belief? Report your analysis and draw a conclusion.

Question

A study of chromosome abnormalities and criminality examined data on 4124 Danish males born in Copenhagen. The study used the penal registers maintained in the offices of the local police chiefs and classified each man as having a criminal record or not. Each was also classified as having the normal male XY chromosome pair or one of the abnormalities XYY or XXY. Of the 4096 men with normal chromosomes, 381 had criminal records, while 8 of the 28 men with chromosome abnormalities had criminal records. Some experts believe that chromosome abnormalities are associated with increased criminality. 
Do these data lend support to this belief? Report your analysis and draw a conclusion.

anonymous · Answer

@amistre64

amistre64 · Answer

A study of chromosome abnormalities and criminality examined data on 4124 Danish males born in Copenhagen. 

The study used the penal registers maintained in the offices of the local police chiefs and classified each man as having a criminal record or not. 

Each was also classified as having the normal male XY chromosome pair or one of the abnormalities XYY or XXY. 

Of the 4096 men with normal chromosomes, 
        381 had criminal records, 

while 8 of the 28 men with chromosome abnormalities had criminal records. 

Some experts believe that chromosome abnormalities are associated with increased criminality. 

Do these data lend support to this belief? Report your analysis and draw a conclusion.

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What is your analysis?  what are your thoughts?

anonymous · Answer

i'm confused with the question in its entirety actually, I'm not fairly good at stats

amistre64 · Answer

what is the probability of having a criminal record, given that a person has abnormal genes?

anonymous · Answer

.2857142857?

amistre64 · Answer

yeah,  8 out of 28

now, what is the probability of having an abnormal gene, given that a person has a criminal record?

anonymous · Answer

381/4096

amistre64 · Answer

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