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Lily7
@Lily7
May 2019
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Bonjour, pouvez-vous m'aider à faire cette exercice s'il-vous-plait :) Merci :)
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scoladan
Verified answer
Bonjour,
1)
p(R) = 1 - p(D) - p(S₁) - p(S₂) - .... - p(S₈)
= 1 - 0,008 - 8x0,0785
= 0,364
2)
Xi -4 1 2 3 ........ 8 10
p(X=Xi) 0,364 0,0785 0,0785 0,0785.......0,0785 0,008
3) E(X) = -4x0,364 + (1+2+3+4+5+6+7+8)x0,0785 + 10x0,008
= 1,45
1 votes
Thanks 1
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Lista de comentários
Verified answer
Bonjour,1)
p(R) = 1 - p(D) - p(S₁) - p(S₂) - .... - p(S₈)
= 1 - 0,008 - 8x0,0785
= 0,364
2)
Xi -4 1 2 3 ........ 8 10
p(X=Xi) 0,364 0,0785 0,0785 0,0785.......0,0785 0,008
3) E(X) = -4x0,364 + (1+2+3+4+5+6+7+8)x0,0785 + 10x0,008
= 1,45