# Answer to Question #31375 in MatLAB | Mathematica | MathCAD | Maple for Fatih

Question #31375

If 2% of the bolts produced by a machine are defective, write a Matlab m-file to determine and output the probability that out of 400 bolts chosen at random greater than 10 bolts will be defective. Compare your results with the analytical solution. Use a billon random events.

pls help us...pls pls pls:(:(:(

pls help us...pls pls pls:(:(:(

Expert's answer

function& y& = probability(& )

%UNTITLED Summary of this function goes here

% Detailed explanation goes here

A= zeros(50);

A(1)=1;

C=zeros(400);

counter=0;

Value=0;

for i=1:2500000

for i=1:1:400

x2 = randi(50,1);

C(i)=A(x2);

if C(i)==1

& counter=counter+1;

end

end

if counter>10

Value =Value + 1;

end

end

for i=1:10

AnalitSolution=1-((1/50)^i)*(49/50)^(400-i);

end

y=[Value/2500000,AnalitSolution];

end

%UNTITLED Summary of this function goes here

% Detailed explanation goes here

A= zeros(50);

A(1)=1;

C=zeros(400);

counter=0;

Value=0;

for i=1:2500000

for i=1:1:400

x2 = randi(50,1);

C(i)=A(x2);

if C(i)==1

& counter=counter+1;

end

end

if counter>10

Value =Value + 1;

end

end

for i=1:10

AnalitSolution=1-((1/50)^i)*(49/50)^(400-i);

end

y=[Value/2500000,AnalitSolution];

end

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