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Question

The sum of the probabilities of all elementary events is


A

0

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B

0.5

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C

1

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D

2

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Solution

The correct option is C

1


Elementary event is an event which has only 1 outcome.

Sum of the probabilities of all elementary events = 1

For example in tossing a coin , there are 2 events - getting a head and getting a tail.

These two events are elementary.


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