an internet search engine search for a certain key word in a sequence of independent web sites . it is believed that 20% of the web sites contain this keyword
a) compute the probability that atleast 5 of the first 10 sites contain the given key word
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?

Question

an internet search engine search for a certain key word in a sequence of independent web sites . it is believed that 20% of the web sites contain this keyword 
a) compute the probability that atleast 5 of the first 10 sites contain the given key word 
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?

farmdawgnation · Answer

This is a Mathematics question, not a Computer Science question. Please ask your question there. Thanks!