NCERT Exercise 14.2 Q7 - Probability
Question: A fair coin is tossed four times. A person wins Re 1 for each head and loses Rs 1.50 for each tail. Find the possible amounts and their probabilities.
Answer: For 0, 1, 2, 3 and 4 heads the amounts are -Rs 6, -Rs 3.50, -Rs 1, Rs 1.50 and Rs 4, with probabilities 1/16, 4/16, 6/16, 4/16 and 1/16 respectively.
Full step-by-step NCERT solution with diagrams on Something by Zero.