For an event E, if P(E) + P(\bar{E}) = q, then the value of q^2 - 4 is:... | MCQ 1m | Maths | SuperPadhai

Probability > Question

MCQ1 markYear: 2024EasyCBSE Class 10

probabilitycomplementary-events

Question

For an event

E

, if

P (E) + P (\overset{ˉ}{E}) = q

, then the value of

q^{2} - 4

is:

Solution

1

P (E) + P (\overset{ˉ}{E}) = 1 = q

.

q^{2} - 4 = 1 - 4 = - 3

+1 mark

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