Latest Hexaware Aptitude Question SOLUTION: the probability of a student possessing a ball point pen in exam is 3/5 & possessing an ink pen is 2/3. find his probability of possessing at least one of them

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the probability of a student possessing a ball point pen in exam is 3/5 & possessing an ink pen is 2/3. find his probability of possessing at least one of them

Asked In Hexaware MANOJ (13 years ago)

Solved kewal Read Solution (3)

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Read Solution (3) :

kewal  (13 years ago)

the probability of a student possessing a ball point pen in exam is 3/5 .
the probability of a student not possessing a ball point pen in exam is 2/5 & possessing an ink pen is 2/3.

& not possessing an ink pen is 1/3.
his probability of possessing none of them =2/5*1/3=2/15
his probability of possessing one of them =1-2/15 = 13/15

Is this solution Helpfull? Yes (34) | No (3)  

appalanaidu.m  (13 years ago)

* may be probability of possessing atleast one of them is 13/15.
* probability of possessing atleast one of them is
=1-probability of not possessin any pen
=1-((1-3/5)*(1-2/3))
=1-(2/5)*(1/3)
=1-(2/15)
=13/15

Is this solution Helpfull? Yes (10) | No (2)  

sundar  (12 years ago)

2/5*1/3=2/15
there fore, 1-2/15 = 13/15

Is this solution Helpfull? Yes (9) | No (3)  

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