The probability of senior taking the bus = 0.1 .
What is Probability ?
Probability is the study of likeliness of an event to occur. It has a range from 0 to 1. 0 means uncertainty and 1 indicates certainty.
It is given that
Sophomore , Junior and Senior probability table , if they drive to the school , Take the bus or walk.
It has been asked to determine the probability if senior take the bus
The favorable outcomes of this event is 5
The total outcome of this event is 5 + 20+25 = 50
The probability = Favorable Outcome / Total outcome
Probability = 5 / 50
P(Take the bus | Senior) = 1/10 = 0.1
Therefore the probability of senior taking the bus = 0.1 .
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