P( X >= 2 ) = 1 - P ( X < 2 ) = 1 - ( P(X=1) + P( X=0) )= 1 - (0.14+0.35) = 0.51
Bonsoir,
P(X ≥ 2) = P(X = 2) + P(X = 3) + P(X = 4)
= 0,26 + 0,15 + 0,1 = 0,51
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P( X >= 2 ) = 1 - P ( X < 2 ) = 1 - ( P(X=1) + P( X=0) )= 1 - (0.14+0.35) = 0.51
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Bonsoir,
P(X ≥ 2) = P(X = 2) + P(X = 3) + P(X = 4)
= 0,26 + 0,15 + 0,1 = 0,51