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zheka24 [161]
3 years ago
6

Please help faster please???!!!!?!!

Mathematics
1 answer:
7nadin3 [17]3 years ago
3 0

Answer:

This is a conditional probability.

Step-by-step explanation:

Note that we have in total 25+5+5=35 senior students.  And, from   the 35 senior students, we have 5 students that work.

Hence,

P(\text{work}|\text{Senior})=\frac{5}{25}=\frac{1}{5}

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