B. Their customers' economic status
Answer:
C). Is insufficient to prove guilt beyond a reasonable doubt.
Explanation:
A defendant whose conviction has been reversed because the evidence 'proved insufficient to prove the guilt or crime committed by him/her beyond a logical doubt'. Thus, the decision or verdict terminates the double jeopardy and the defendant can not be retried in such a situation as the reversal from the claim would be parallel to an acquittal. Thus, if a case is reversed due to the lack of sufficient evidences as a matter of legal law, the defendant can't be retried.
Answer:
Observational study
Explanation:
The study shown in the question above is an example of an observational study. In this type of study, the researcher separates two groups of people, where the variables will be tested. These groups are contrasting with each other, which promotes the comparison on how the variables behaved in each group.
In the study shown in the question above, the researcher should separate the groups between right-handed and left-handed people and make assessments of how it affects their health, decreasing the life expectancy of each one.
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