Andy is invited to a birthday party. At the party, it is planned that it should...

Andy is invited to a birthday party. At the party, it is planned that it should be a round of tips with 12 questions. Each question has four answer options and only one of these answers is correct. Andreas realizes that he is quite sure of the answers to five of the questions but on the remaining questions he has no idea about the answer. He therefore randomly selects the answer to these questions. What is the probability that Andy gets at least 10 right answers on the tip round?

Expert Solution

orchestra answered 1 year ago

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