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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.† For a randomly selected group of 25 Internet browser users, answer the following questions. (Round your answers to four decimal places.) (a) Compute the probability that exactly 7 of the 25 Internet browser users use Chrome as their Internet browser. (Round your answer to four decimal places.)   (b) Compute the probability that at least 3 of the 25 Internet browser users use Chrome as their Internet browser. (Round your answer to four decimal places.)   (c) For the sample of 25 Internet browser users, compute the expected number of Chrome users.   (d) For the sample of 25 Internet browser users, compute the variance and standard deviation for the number of Chrome users. (Round your answers to four decimal places.) variancestandard deviation

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.† For a randomly selected group of 25 Internet browser users, answer the following questions. (Round your answers to four decimal places.) (a) Compute the probability that exactly 7 of the 25 Internet browser users use Chrome as their Internet browser. (Round your answer to four decimal places.)   (b) Compute the probability that at least 3 of the 25 Internet browser users use Chrome as their Internet browser. (Round your answer to four decimal places.)   (c) For the sample of 25 Internet browser users, compute the expected number of Chrome users.   (d) For the sample of 25 Internet browser users, compute the variance and standard deviation for the number of Chrome users. (Round your answers to four decimal places.) variancestandard deviation

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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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.† For a randomly selected group of 25 Internet browser users, answer the following questions. (Round your answers to four decimal places.)
(a)
Compute the probability that exactly 7 of the 25 Internet browser users use Chrome as their Internet browser. (Round your answer to four decimal places.)
 
(b)
Compute the probability that at least 3 of the 25 Internet browser users use Chrome as their Internet browser. (Round your answer to four decimal places.)
 
(c)
For the sample of 25 Internet browser users, compute the expected number of Chrome users.
 
(d)
For the sample of 25 Internet browser users, compute the variance and standard deviation for the number of Chrome users. (Round your answers to four decimal places.)
variancestandard deviation
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