September 2, 2015

Homework Help: statistics

Posted by Sue on Sunday, March 3, 2013 at 7:18pm.

In order to plan for parking and transportation needs at a college, administrators asked students how they got to school. Some came by bus, some came by car and the others used personal transportation bikes, skateboards, or walked. The following table summarizes the responses:
Male Female
Bus 30 50
Car 37 45
Personal 19 23
What percent of the students take the bus to college?
What percent are male or travel by car?
If a car drives up what is the probability the student is female?

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