NCERT Example 7 - Probability
Question: Consider the experiment of tossing a coin. If the coin shows head, toss it again; if it shows tail, throw a die. Find the conditional probability of the event 'the die shows a number greater than 4' given that 'there is at least one tail'.
Answer: 2/3.
Full step-by-step NCERT solution with diagrams on Something by Zero.