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You are about to roll a fair six-sided die.
Let \(D\) be the result of the roll
before
you throw the die. Is \(D\) a random variable or an observed value? What is \(P(D=6)\)?
You throw the die, and it lands on the number 4. Let \(d\) be this result. Is \(d\) a random variable or an observed value?
Mathematical notation uses uppercase letters for random variables and lowercase for observed values. Write the relationship between \(D\) and \(d\) using an "equals" sign and words.
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