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Probability — Mathematics STD 10 — Question

ICSE BoardEnglish MediumSTD 10MathematicsProbability2 Marks
Question
A coin is tossed once. Find the probability of : not getting a tail
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Answer

ample space ={H,T}
n(s)=2
Not getting a tail means getting a heads.
Event of getting a heads={H}
n(A) =1
Therefor, the probability of tail=
$\frac{n( A )}{ n ( s )}=\frac{1}{2}$

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