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Impossible and Certain Events

The probabili...

Question

The probability of a sure event is:

A

0

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B

1

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C

not defined

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D

$\frac{1}{2}$

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Solution

The correct option is B
1

An event whose probability of occurrence is 1 is called a sure event.

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Similar questions

What is the probability of a sure event?
(a) 0 (b) $\frac{1}{2}$ (c) 1 (d) less then 1

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. Fill in the blanks:
(i) The probability of an impossible event is ....... .
(ii) The probability of a sure event is ........ .
(iii) For any event E, P(E) + P (not E) = ........ .
(iv) The probability of a possible but not a sure event lies between ......... and ........ .
(v) The sum of probabilities of all the outcomes of an experiment is ....... .

Q. The probability of a sure event (or certain event) is ____

Probability of a sure event is _________

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