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Addition Theorem of Probability for 2 Events

probablity of...

Question

probablity of event e +probablity of event not e = ____________

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Solution

It is equal to 1.
the above condition means it include all the terms.i.e that contains all possibility. so its probability will be the maximum value which is 1.
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Similar questions

Q. Probability of an event

E +

Probability of the event 'not

E

=

Q. Question 1 (i)
Complete the following statement for exhaustive events E and not E:
Probability of event E + Probability of event “not E” = ___.

Q. Question 1 (i)
Complete the following statement for exhaustive events E and not E:
Probability of event E + Probability of event “not E” = ___.

Fill in the blanks.

(i) Probability of an impossible event = ___

(ii) Probability of a sure event = ___

(iii) Let E be an event. Then, P(not E)= ___

(iv) P(E) + P(not E)= ___

(v) ___ $\leq$ (P) $\geq$ ___

Q. Fill in the blanks:
(i) The probability of an impossible event is ........ .
(ii) The probability of a sure event ......... .
(iii) If E is an event and P(E) = p then p(not E) = ........ .
(iv) If E is a possible event and it is not a sure event then P(E) lies between ...... and ....... .
(v) P(E) + P(not E) = ........ .
(vi) The probability of occurrence of an event cannot be greater than ....... .

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