Final answer:
The subject question involves tournament types and the fairness of coin tossing as a decision-making method in games. A coin toss is fair as each outcome (heads or tails) has an equal 50% chance. In-game decisions vary with the situation rather than external factors.
Step-by-step explanation:
The subject of the student's question revolves around different types of tournaments and the concept of randomness and probability, particularly regarding the toss of a coin at the start of a competition. Tossing a coin is a fair way to decide who goes first because a standard coin has two sides, heads and tails, and if the coin is not biased, each side has an equal chance of landing face up. Therefore, the chance that the toss will go your way if you choose heads is 50%.
Decisions in any game are expected to vary as the situation varies, reflecting that in-game decisions depend on the current circumstances and conditions of the game, rather than factors such as the year, the location, or the day of the week.