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Probability — Maths STD 10 — Question

CBSE BoardEnglish MediumSTD 10MathsProbability2 Marks
Question
The probability that it will rain tomorrow is $0.85$. What is the probability that it will not rain tomorrow?
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Answer

Let E be the event of happening of rain
P(E) is given as $0.85$
$E^-$​​​​​​​ ⟶ ??? ℎ???????? ?? ????
$P(E^-) = 1 - P(E) = 1 - 0.85 = 0.15$
$\therefore$ P(not happening of rain) = 0.15

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