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telo118 [61]
2 years ago
15

There are 250 students in a senior. of the 250 students, 102 are boys. there are 20 senior girls and 18 senior boys on the track

team. What is the probablity a randomly chosen student from the senior class is a girl who does not run track?
Mathematics
1 answer:
Fiesta28 [93]2 years ago
3 0
If 102 are boys then 250 - 102 = 148 are girls.
If 20 girls run track, then 148 - 20 = 128 girls do not run track
probability a randomly chosen student from the senior class is a girl who does not run track = (probability the student chosen is a girl) * (probability the student does not run track)
= (148/250) * (128/250) = 128/250 = 62/125

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