A computer is randomly selecting a 4-digit ID num-r for you, and there are 10,000 possibilities, each

Question:

A computer is randomly selecting a 4-digit ID num-"r for you, and there are 10,000 possibilities, each equally likely. (0000 would e the smallest possible number, and 9999 would be the biggest.)
a. What is the probability your new ID number happens to match your birth date (e.g., 0822 for August 22nd)?
b. Why is this a Discrete Uniform situation? What is the parameter?
c. Explain in words what X is in terms of the story. What values can it take?
d. What is the average ID number?
e. What is the standard deviation of the ID numbers?
f. Describe in words what the graph of the mass for the ID numbers would look like.
g. Describe in words what the graph of the CDF for the ID numbers would look like. Distribution
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