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Variance binomiale


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Posted (edited)

@JaiPASSvalidé

Salut, tu t'es trompé dans ta simplification de 2/3 x 1/3 :

2/3 x 1/3 = 2/9 et non 1/3.

 

tu peux simplifier en essayant de remettre le numérateur à 1 :

1/3 x 2/3 = 1/3 x 1/3 x 2 = 1/9 x 2 = 2/9

 

Ainsi, 360 x 2/9 = 80

Au plaisir !

Edited by ElCassoulet
Posted
il y a 7 minutes, ElCassoulet a dit :

@JaiPASSvalidé

Salut, tu t'es trompé dans ta simplification de 2/3 x 1/3 :

2/3 x 1/3 = 2/9 et non 1/3.

 

tu peux simplifier en essayant de remettre le numérateur à 1 :

1/3 x 2/3 = 1/3 x 1/3 x 2 = 1/9 x 2 = 2/9

 

Ainsi, 360 x 2/9 = 80

Au plaisir !

WoW l’erreur grave que j’ai faite, je sens que mon cerveau est frit 😪Merci bcpp d’avoir pris du temps pr m’aider😔 bon courage🤍

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