RD Sharma Class 9 solutions Chapter 25 Probability RD Sharma Class 9 Solution Chapter 25 Probability Ex 25.1 Question 1. A coin is tossed 1000 times with the following frequencies Head : 455, Tail : 545. Compute the probability for each event. Solution: Total number of events (m) 1000 (i) Possible events (m) 455 ∴Probability P(A) = = = = 0.455 (ii) Possible events … [Read more...]