Examlex
The probability that a randomly selected pound of beef is purchased by McDonald's is 0.09. Ten pounds of beef are chosen at random. What is the probability that exactly two of them are purchased by McDonald's Round your answer to four decimal places.
Facebook Messenger
A messaging app and platform developed by Facebook, allowing users to send messages, photos, videos, and conduct voice and video calls.
Chatbot
A computer program designed to simulate conversation with human users, especially over the Internet, used in customer service and information acquisition.
A Chinese multi-purpose messaging, social media, and mobile payment app developed by Tencent.
A popular Chinese microblogging website, acting as a hybrid of Twitter and Facebook, used for social networking and multimedia sharing.
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