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Exercice 34
   En milliers de francs.

                 xi       ni      fi     ni xi     fi xi       f i xi 2
                 5        3      0,15     15      0,75              3,75
                 30       4      0,2     120        6          180
                 75       5      0,25    375     18,75        1406,25
                150       7      0,35   1050      52,5        7875
                400       1      0,05    400       20          8000
                          20     1      1960       98        17465


               x = 98
              σ 2 = 17465 − 982 = 7861 → σ =               7861    88, 66
               α = 2, 8     et   β = 0, 15
Exercice 34 (suite..)
   Ainsi :
                    (1960 + 2, 8 × 88, 66) · (1 + 0, 15)
             PC =                                          0, 30232
                                  8400
   Soit 302,32 frs par immeuble assuré.

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Ch25 34

  • 1. Exercice 34 En milliers de francs. xi ni fi ni xi fi xi f i xi 2 5 3 0,15 15 0,75 3,75 30 4 0,2 120 6 180 75 5 0,25 375 18,75 1406,25 150 7 0,35 1050 52,5 7875 400 1 0,05 400 20 8000 20 1 1960 98 17465 x = 98 σ 2 = 17465 − 982 = 7861 → σ = 7861 88, 66 α = 2, 8 et β = 0, 15
  • 2. Exercice 34 (suite..) Ainsi : (1960 + 2, 8 × 88, 66) · (1 + 0, 15) PC = 0, 30232 8400 Soit 302,32 frs par immeuble assuré.