Introduction To Probability
NIOS · Class 10 · Maths
All formulas from Introduction To Probability in NIOS Class 10 Maths. Key equations, constants, and identities for board exam preparation.
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Basic Concepts & Definitions
P(E) = Number of favorable outcomes / Total number of possible outcomes
P(E) + P(Ē) = 1
0 ≤ P(E) ≤ 1
Standard Probability Problems
P(red card) = 26/52 = 1/2
P(face card) = 12/52 = 3/13
P(at least one success) = 1 - P(all failures)
Problem-Solving Steps
Step 1: Identify total outcomes; Step 2: Count favorable outcomes; Step 3: Apply P(E) = favorable/total
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