Posted by **Anna** on Tuesday, January 5, 2010 at 4:27pm.

A survey of 850 students conducted in two schools showed the following results:

School A:

*Students who took the bus = 400

* Students who did not take the bus = 150

Total = 550

School B:

*Students who took the bus = 200

* Students who did not take the bus = 100

Total = 300

School C:

*Students who took the bus = 600

* Students who did not take the bus = 250

Total = 850

Calculate the probability that a randomly chosen student from this group of 850 students takes the bus and is from school A.

## Answer This Question

## Related Questions

- math - A survey of students determined that 14 drove to school, 28 took the bus...
- Math - Ms. Hendricks asked her students how they get to school each day. She ...
- algebra - A middle school student is doing a math project in which she has to ...
- Math - The student mr. Davis class either walk or ride the bus to school the ...
- Probability - Question #1 50 students total. 12 students travelled by car only 7...
- Probability - Question #1 50 students total. 12 students travelled by car only 7...
- Math - Ricky took a survey in the fifth grade and found that 2/3 of the students...
- math - In jims,5 times as many students take the bus as those who walk. A total ...
- Probability - I know I posted this already but no one answered the questions...
- math - In a random sample of 150 students, 60 ride the bus to school, 54 ride in...

More Related Questions