Asked by masaad
Among the 500 first year students of college, 270 students study computer science, 345 students study mathematics, and 175 students study both computer science and mathematics. If one student is selected at random, find the probability that he did not take either of these subjects
Answers
Answered by
masaad
1011
Answered by
Sheraz
P[C.S]=270/500
P[Maths]=345/500
P[C.S ∩ Maths]=175/500
( P[C.S U Maths] )' = ?
ANS.
( P[C.S U Maths] )' = 1-P[C.S U Maths]
=1-{P[C.S] + P[Maths] - P[C.S ∩ Maths]}
=1-{270/500 + 345/500 -175/500 }
=1-{440/500}
=1-0.88
=0.12
P[Maths]=345/500
P[C.S ∩ Maths]=175/500
( P[C.S U Maths] )' = ?
ANS.
( P[C.S U Maths] )' = 1-P[C.S U Maths]
=1-{P[C.S] + P[Maths] - P[C.S ∩ Maths]}
=1-{270/500 + 345/500 -175/500 }
=1-{440/500}
=1-0.88
=0.12
Answered by
Cordelia
A(-5,3)<B (-9,7)
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.