A computer program randomly generates a digit from $0$ to $9$. What is the sample space for this experiment, and how many possible outcomes are there?

• A. Sample space: $\{0,1,2,3,4,5,6,7,8,9\}$ Number of possible outcomes: $10$
• B. Sample space: $\{0,1,2,3,4,5,6,7,8,9\}$ Number of possible outcomes: $9$
• C. Sample space: $\{1,2,3,4,5,6,7,8,9\}$ Number of possible outcomes: $10$
• D. Sample space: $\{1,2,3,4,5,6,7,8,9\}$ Number of possible outcomes: $9$

Answer: (A)