Do All Work in Excel. 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 20.37% share of the browser market. 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.
Do All Work in Excel. 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 20.37% share of the browser
market. 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 the standard deviations for the number of Chrome users.
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