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Mathematics, 10.03.2020 00:54 kelchalyssa

In a large introductory statistics lecture​ hall, the professor reports that 53​% of the students enrolled have never taken a calculus​ course, 27​% have taken only one semester of​ calculus, and the rest have taken two or more semesters of calculus. The professor randomly assigns students to groups of three to work on a project for the course. You are assigned to be part of a group. What is the probability that of your other two​ groupmates, ​a) neither has studied​ calculus? ​b) both have studied at least one semester of​ calculus? ​c) at least one has had more than one semester of​ calculus?

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