Market-share-analysis company Net Applications monitors and reports on Internetbrowser usage. According to Net Applications, in the summer of 2014, google’s Chromebrowser exceeded a 20% market share for the first time, with a 20.37% share of thebrowser market (Forbes website, December 15, 2014). for a randomly selected group of20 Internet browser users, answer the following questions.a. Compute the probability that exactly 8 of the 20 Internet browser users use Chromeas their Internet browser.b. Compute the probability that at least 3 of the 20 Internet browser users use Chrome astheir Internet browser.c. for the sample of 20 Internet browser users, compute the expected number of Chromeusers.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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