作业帮An optical inspection system is to distinguish among differe
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/15 00:55:19
An optical inspection system is to distinguish among different part types.
An optical inspection system is to distinguish among different part
types.The probability of a correct classification of any part is 0.98.
Suppose that three parts are inspected and that the classifications are
independent.Let the random variable X denote the number of parts that are correctly classified.Determine the probability mass function of X.
X=0,1,2,3时,f(x)分别等于多少?
An optical inspection system is to distinguish among different part
types.The probability of a correct classification of any part is 0.98.
Suppose that three parts are inspected and that the classifications are
independent.Let the random variable X denote the number of parts that are correctly classified.Determine the probability mass function of X.
X=0,1,2,3时,f(x)分别等于多少?
f(0)=0.02*0.02*0.02
f(1)=3C1*0.98*0.02*0.02;
f(2)=3C2*0.98*0.98*0.02;
f(3)=0.98*0.98*0.98
f(1)=3C1*0.98*0.02*0.02;
f(2)=3C2*0.98*0.98*0.02;
f(3)=0.98*0.98*0.98
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