CM1B Sept 2020 Q3 - Dependent probability - Column H

Discussion in 'CM1' started by zimact92, Mar 12, 2022.

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  1. zimact92

    zimact92 Member

    The dependent probability of staying in force over the year is calculated as (ap)x = exp-(mu x + mu d ) = 0.973980
    Can someone explain to me why this is not equal to 1-[ (aq)x,d +(aq)x, s] = 0.974294
    Thanks
     
  2. Joe Hook

    Joe Hook ActEd Tutor Staff Member

    Hi,

    I think you may have made an error here in your calculations. I have (aq)d = 0.001033 and (aq)s = 0.024987...

    in which case (ap)x = 1 - (aq)d - (aq)s = 0.973980 as required.

    Let me know if you have any other queries.

    Thanks
    Joe
     

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