ICSE BoardEnglish MediumSTD 10MathematicsProbability2 Marks
Question
Write the probability of a sure event
✓
Answer
The probability of a sure event is 1i.e.p(s)=1 where $s$ is the sure event . Proof: In a sure event n(E) = n(s) [Since number of elements in Event 'E' will be equal to the number of element in sample-space.] By definitions of probability: P(s)=n(E)/n(s)=1 p(s)=1
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.