Class 10 Theory & Live Math
Classical Probability Formula:
P(E) = n(E) / n(S)
• n(E) = Outcomes favorable to Event E
• n(S) = Total outcomes in Sample Space S
Key Class 10 Identities:
1. 0 ≤ P(E) ≤ 1
2. P(E) + P(not E) = 1 ⇒ P(not E) = 1 − P(E)
3. P(Sure Event) = 1 | P(Impossible Event) = 0