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You may need to use the appropriate appendix table or technology to answer this question. 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 20 Internet browser users, answer the following questions. (Round your answers to four decimal places.)   (a) Compute the probability that exactly 7 of the 20 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 20 Internet browser users use Chrome as their Internet browser. (Round your answer to four decimal places.)   (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. (Round your answers to four decimal places.)   variance= standard deviation=

You may need to use the appropriate appendix table or technology to answer this question. 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 20 Internet browser users, answer the following questions. (Round your answers to four decimal places.)   (a) Compute the probability that exactly 7 of the 20 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 20 Internet browser users use Chrome as their Internet browser. (Round your answer to four decimal places.)   (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. (Round your answers to four decimal places.)   variance= standard deviation=

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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You may need to use the appropriate appendix table or technology to answer this question.
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 20 Internet browser users, answer the following questions. (Round your answers to four decimal places.)
 
(a) Compute the probability that exactly 7 of the 20 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 20 Internet browser users use Chrome as their Internet browser. (Round your answer to four decimal places.)
 
(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. (Round your answers to four decimal places.)
 
variance=
standard deviation=
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