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Byju's Answer
Standard XII
Mathematics
Complement of an Event
The probabili...
Question
The probability of an event A+ Probability of the event 'not A'= ____ .
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Solution
The sum of the probabilities on an event and its complement is
1
Therefore,
The probability of an event
A
+ Probability of event
n
o
t
A
=
1
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Similar questions
Q.
Probability of an event
E
+
Probability of the event 'not
E
'
=
_____
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.
If
2
11
is the probability of an event. What is the probability of the event 'not
A
'
Q.
If
2
11
is the probability of an event, what is the probability of the event not
A
?
Q.
The probability of an event occurring is 0.7. The probability of that event not occuring is
__
.
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Complement of an Event
Standard XII Mathematics
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