Market-share-analysis company Net Applications monitors and reports on Internet browser usage. According to Net Applications, in...
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Market-share-analysis company Net Applications monitors and reports on Internet browser usage. According to Net Applications, in the summer of 2014, Google's Chrome browser exceeded a 20% market share for the first time, with a 20.37% share of the browser market (Forbes website, December 15, 2014). For a randomly selected group of 20 Internet browser users, answer the following questions. a) Compute the probability that exactly 8 of the 20 Internet browser users use Chrome as their Internet browser. b) Compute the probability that at least 3 of the 20 Internet browser users use Chrome as their Internet browser. c) For the sample of 20 Internet browser users, compute the expected number of Chrome users. d) For the sample of 20 Internet browser users, compute the variance and standard deviation for the number of Chrome users. Market-share-analysis company Net Applications monitors and reports on Internet browser usage. According to Net Applications, in the summer of 2014, Google's Chrome browser exceeded a 20% market share for the first time, with a 20.37% share of the browser market (Forbes website, December 15, 2014). For a randomly selected group of 20 Internet browser users, answer the following questions. a) Compute the probability that exactly 8 of the 20 Internet browser users use Chrome as their Internet browser. b) Compute the probability that at least 3 of the 20 Internet browser users use Chrome as their Internet browser. c) For the sample of 20 Internet browser users, compute the expected number of Chrome users. d) For the sample of 20 Internet browser users, compute the variance and standard deviation for the number of Chrome users.
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Let X denote the number of users that use Chrome as their browser Th... View the full answer
Related Book For
Statistics for Business & Economics
ISBN: 978-1337094160
13th edition
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
Posted Date:
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