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Assume there are 100,000 unique web pages* and answer the following: 1) Information Retrieval uses preprocessing...

Assume there are 100,000 unique web pages* and answer the following:

1) Information Retrieval uses preprocessing to only consider a small portion of candidate web pages. For example, usually only two thousand pages with certain matching keywords are ever possibly returned in Google's top results. What is the probability that all 10 relevant pages are in the first page of these 2000 options under equal likelihood?

2) How would your answer , in question 1, change if 100 candidate pages were returned instead of 2000?

please show every step and write it CLEARLY

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