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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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 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.)

(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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