Unions and intersections with probability (actuarial science)?

Answers:0   |   LastUpdateAt:2012-08-28 18:15:03  

Question
nitin
Asked at 2012-08-28 18:15:03
I 'm teaching the first standard probability calculus course - and I'm a great mathematician . For some reason , I can not understand this problem : MedlinePlus MedlinePlus A car insurance company has 10,000 policyholders. Each policy is classified as MedlinePlus MedlinePlus ( i ) young or old ; MedlinePlus ( Ii ) male or female , and MedlinePlus ( Iii ) single or married. MedlinePlus MedlinePlus Of these policyholders , 3000 are young , 4600 are male and 7000 are married . Policyholders can also be classified as 1320 , 3010 young men married males , and 1400 young married persons . Finally , 600 of the policyholders are young married men . How many of the company's policyholders are young , female , and single ? MedlinePlus MedlinePlus Here was my approach to this problem : MedlinePlus MedlinePlus Let the facts : MedlinePlus MedlinePlus Y = young MedlinePlus O = Old MedlinePlus Ml = Male MedlinePlus F = Female MedlinePlus Married Mr = MedlinePlus S = Single MedlinePlus MedlinePlus n ( Y) = 3000
N ( O) = 10000 - n ( Y) = 7.000
n (ml) = 4600
n ( F ) = 10000 - n (OH ) = 5400
n ( Mr) = 7000 MedlinePlus n ( S ) = 10000 - n ( Mr) = 3000 MedlinePlus MedlinePlus So
MedlinePlus n ( F
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