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Chance and Probability

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Question

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Question 22
The probability of an event which is certain to happen is ___.

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Solution

The probability of an event which is certain to happen is 1. In other words, the probability of a sure event is 1.

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Similar questions

Fill in the blank to make the statements true.

The probability of an event which is impossible to happen is .

Q. Question 1 (iii)
Complete the following statements:
The probability of an event that is certain to happen is ___ . Such an event is called ___.

Complete the following statements:

(i) Probability of an event E + Probability of the event ‘not E’ = _______.

(ii) The probability of an event that cannot happen is _________. Such as event is called _________.

(iii) The probability of an event that is certain to happen is _________. Such as event is called ________.

(iv) The sum of the probabilities of all the elementary events of an experiment is _________.

(v) The probability of an event is greater than or equal to _______ and less than or equal to _______.

Q. Fill in the blanks:

(i) Probability of a sure event is ...............

(ii) Probability of an impossible event is ................

(iii) The probability of an event (other than sure and impossible event) lies between .................

(iv) Every elementary event associated to a random experiment has .............. probability.

(v) Probability of an event A + Probability of event 'not A' = ................

(vi) Sum of the probabilities of each outcome in an experiment is ................

Q. Question 1 (iii)
Complete the following statements:
The probability of an event that is certain to happen is ___ . Such an event is called ___.

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Chance and Probability

Standard VII Mathematics

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