How to solve this question in R Studio?

Market-share-analysis company Net Applications monitors and reports on Internet browser usage. According to Net Applications, Googles 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. (6 points; 2 point each)

Compute the probability that exactly 8 of the 20 Internet browser users use Chrome as their Internet browser.