An internet search engine looks for a certain keyword in a sequence of independent web sites. It
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Question:
An internet search engine looks for a certain keyword in a sequence of independent web sites. It is believed that 20% of the sites contain this keyword.
a) Compute the probability that at least 5 of the first 10 websites contain the keyword.
b) Compute the probability that the search engine had to visit at least 5 sites in order to find the first occurrence of a keyword.
Related Book For
Mathematical Statistics with Applications in R
ISBN: 978-0124171138
2nd edition
Authors: Chris P. Tsokos, K.M. Ramachandran
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