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28 Apr 2022

In conditional probability, the notation P ( A l B) is read:

"The probability of event A occurring given that event $B$ has occurred."

For example: In the following two-way table P( Walk to school l Sophomore)=3 /(2 + 25 + 3) = 0.1

 

Grade	Grade to school	Take the bus	Walk
Sophomore	2	25	3
Junior	13	20	2
Senior	25	5	5

 

           P(Take the bus | Sophomore) = [?]

            Round to the nearest hundredth.