Hi guys need your help thanks
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Originally Posted by mauro21pl Hi guys need your help thanks Total failures to rise T=0.02*0.5+0.03*0.3+0.05*0.2=0.029 of which NA=0.02*0.5=0.01 are caused by A, So the proportion of failures caused by A is PA=0.01/0.029=0.345, or about 34.5%. RonL
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