QUESTION 9 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 25 Internet browser users, answer the following questions. (Round your answers to four decimal places.) (a) Compute the probability that exactly 9 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.)

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.