Question

The probability of a certain event is
A. 0
B. 1
C. greater than 1
D. less than 0

Answer 1

The probability of a certain event is 1.

Option (B) 1  is correct.

 

Extra information :  

Probability is the study of the chances of events happening.

Event:

A Possible outcome or combination of outcomes is called an event.

The probability of happening of an event always lies from 0 to 1.

The sum of all the probabilities of all possible outcomes of an experiment is 1.

Required probability = Number of trials in which the event E has happened / Total number of trials

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Answer 2

Answer:

Step-by-step explanation:

Answer :-

Correct Option is B. 1

The probability of a certain event is 1.

Extra Information :-

An event which always occurs is called a sure or a certain event.Then, the probability of a certain event is 1.

The sum of all the probabilities of all possible outcomes is 1.

Required probability = Number of trials of event E/Total number of trials.

For example :-

When we throw a die, then the event "getting a number less than 7" is a certain event or sure event.