Solved: The distribution of the time until a Web site
Chapter 3, Problem 3-30(choose chapter or problem)
The distribution of the time until a Web site changes is important to Web crawlers that are used by search engines to maintain current information about Web sites. The distribution of the time until change (in days) of a Web site is approximated in the following table. Days until Changes Probability 1.5 0.05 3.0 0.25 4.5 0.35 5.0 0.20 7.0 0.15 Calculate the probability mass function of the days until change.
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