A problem in statistics is given to two students A and B. The odds in favour of A solving the problem are 6 to 9 and against B solving are 12 to 10. If A and B attempt , find the probability of the problem being solved. Chp-probability , plz , plz answer.
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hi....
it's ans is
Solution: Let A = problem can be solved by A:
B
problem can be solved by B.
Then based on the data given in the problem, we have
6
6
ray= 0
PE =1
5+0
12
6
Pi) =
Tizvio
In
PB) =1
ir
i
18
PAand B) = PR) x (B) =
5
i
Probability that the problem being solved is
87
Por B)
=
673.
5
it's ans is
Solution: Let A = problem can be solved by A:
B
problem can be solved by B.
Then based on the data given in the problem, we have
6
6
ray= 0
PE =1
5+0
12
6
Pi) =
Tizvio
In
PB) =1
ir
i
18
PAand B) = PR) x (B) =
5
i
Probability that the problem being solved is
87
Por B)
=
673.
5
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thks
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