# Question

Let X be the value of a randomly selected decimal digit, that is, a whole number between 0 and 9, inclusive.

a. Use simulation to estimate the mean of X. Explain your reasoning.

b. Obtain the exact mean of X by applying Definition 5.9 on page 217. Compare your result with that in part (a).

a. Use simulation to estimate the mean of X. Explain your reasoning.

b. Obtain the exact mean of X by applying Definition 5.9 on page 217. Compare your result with that in part (a).

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