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Q.

Whether the statement is true or false.


The sum of the probabilities of all the elementary events of an experiment is 1.


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a

True

b

False 

answer is A.

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Detailed Solution

We need to check the validification of the statement, the sum of the probabilities of all the elementary events of an experiment is 1.
The events of a probability are elements.
If an event is such that they are certain to occur out of the possible number of outcomes, they are known as sure events.
These events take the highest value of probability.
The elements are the events of a probability distribution.
Therefore, the sum of the probabilities of all the elementary events of an experiment is 1.
The sum of the probabilities of all the elementary events of an experiment is 1.
Hence the statement is true and the correct option is 1.
 
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Whether the statement is true or false.The sum of the probabilities of all the elementary events of an experiment is 1.