initial commit / add all books

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diff --git a/1475/CH1/EX1.57/Example_1_57.sce b/1475/CH1/EX1.57/Example_1_57.sce
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+// 1.57 In a bolt factory the machines

+clc;

+clear;

+B1=(25/100);

+B2=(35/100);

+B3=(40/100);

+C= (5/100);

+D= (4/100);

+E= (2/100);

+disp(B3,"Probability of choosing a bolt from Machine M3=",B2,"Probability of choosing a bolt from Machine M2=",B1,"Probability of choosing a bolt from Machine M1=")

+disp((B3*D)/((B1*C)+(B2*D)+(B3*E)),"Using Bayes formula, Probability that a defective bolt was manufactured by machine M3 P(B3/A)=",E,"Probability that a bolt is defective, if it comes from machine M3 P(A/B3)=",D,"Probability that a bolt is defective, if it comes from machine M2 P(A/B2)=",C,"Probability that a bolt is defective, if it comes from machine M1 P(A/B1)=");

+// Answer in Book is misprinted.

diff --git a/1475/CH1/EX1.57/Output_1_57.PNG b/1475/CH1/EX1.57/Output_1_57.PNG
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