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clc
n=10;...................................//total pulses selected
p=0.8;..................................//probability of pulses hitting the dish
q=0.2;..................................//probability of miss
add=0;
for k=2;
x(k)=((factorial(n)*(p^k)*((1-p)^(n-k)))/(factorial(k)*factorial(n-k)));
disp(x(k),"Exactly two pulses missing the target");
end;
for k=0:1
x(k)=((factorial(n)*(p^k)*((1-p)^(n-k)))/(factorial(k)*factorial(n-k)));
add=add+x(k);
end;
y(k)=1-add;
disp(y(k),"Two or more pulses missing the target");
for k=6:10
x(k)=((factorial(n)*(p^k)*((1-p)^(n-k)))/(factorial(k)*factorial(n-(k)));
y(k)=sum(x(k));
disp(y(k),"More than 5 pulses missing the target");
end;
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