Problem of the Week

A new problem every Monday that challenges participants of all ages to think creatively and apply their math skills. Perfect for a weekly mental challenge.

A survey was conducted of 500 high school students.  Each student was asked how they get to school each morning:  360 students drive their own car, 60 come by the school bus, 60 are driven by a fellow student, and 20 students are dropped off by their parents.  What is the probability that the first four students who were polled all drive their own cars to school?


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