Answer:
A. law of large numbers
Explanation:
Law of large numbers is the mathematical concept of probability that helps insurers estimate the statistical likelihood of mortality or morbidity losses at any given age.
This idea states that as the number of exposure or an attainment of a larger value increases, it is usually easier and more accurate to predict the likelihood of mortality or morbidity losses. The law of large numbers is the mathematical principle of probability that insurance is based on.
The answer is C
Explanation: I looked it up
Concentrate on pronunciation. (Kun-TROLE group) In a medical control, the group that does not receive the new remedy is being studied. This organization is compared to the group that gets the new remedy, to see if the brand new remedy works.
A control organization in a scientific test is a set separated from the relaxation of the test, in which the unbiased variable being examined can not affect the effects. This isolates the independent variable's effects on the experiment and can help rule out opportunity factors of the experimental effects
In a systematic observation, a managed institution is used to set up a reason-and-impact relationship by using keeping apart the effect of an independent variable. Researchers change the independent variable inside the treatment institution and hold it regularly within the control group. Then they examine the results of those agencies.
Learn more about the control group here:
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Explanation: But Africans had their particular system of recording past events, situations, and traditions before Europeans started writing about it. This is based on collecting oral testimonies. As a result, Non-African historians used written documentation to chart the history of the continent.
