Solved: In a large introductory statistics lecture hall, the professor reports that 5 4 % of the students enrolled have never taken a calculus course

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In a large introductory statistics lecture hall, the professor reports that 54% 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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Solved: In a large introductory statistics lecture hall, the professor reports that 5 4 % ﻿of the students enrolled have never taken a calculus course

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solved: A consumer organization estimates that over a 1 – year period 1 5 % of cars will need to be repaired once, 6 % will need repairs twice, and 4 % will require three or more repairs

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