Question
In an industry, a study is carried out on the number of errors a printer makes. According to the number of errors (X), the probability is the following: p(x=1)=0.05, p(x=2)=0.2, p(x=3)=0.25, p (x=4)=0.2 and p(x=5)=0.3. Calculate the probability of p(x≥4).
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Answer to a math question In an industry, a study is carried out on the number of errors a printer makes. According to the number of errors (X), the probability is the following: p(x=1)=0.05, p(x=2)=0.2, p(x=3)=0.25, p (x=4)=0.2 and p(x=5)=0.3. Calculate the probability of p(x≥4).
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Respuesta:
P\izquierda(x\ge4\derecha)=0.7
Solución paso-a-paso:
P\left(x\ge4\right)=P\left(x=1\right)+P\left(x=2\right)+P\left(x=3\right)+P\left( x=4\derecha)=0,05+0,2+0,25+0,2=0,7
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