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Q.

Sum of the probabilities of each outcome in an experiment is


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a

0

b

1

c

0.1

d

None 

answer is B.

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Detailed Solution

We know that, probability of event happening + probability of event not happening = 1
The set of all possible outcomes of an experiment is called the sample space of that experiment.
The sum of probabilities of all the outcomes within a sample space is 1.
Hence, option 2 is correct.
 
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