Give Brief (One-Sentence) Explanations for Your Answers to the Following

Give brief (one-sentence) explanations for your answers to the following.
-Suppose that you repeat a random process with two possible outcomes (such as flipping a coin and observing whether it lands heads or tails, or tossing a thumbtack and seeing whether it lands up or down, or playing a game of solitaire and seeing whether you win or lose) a large number of times. Is it always legitimate to say that the proportion of times that any one particular outcome occurs will be very close to one-half? Explain.