u=75;    //mean of a random variable X
n=5;     //standard deviation of X
k=2;        //for k=2
l1=u-k*n
l2=u+k*n
P1=1-(1/k)^2
disp("thus the probability that a value of X lies between 65 and 85 is atleast 0.75 according to Chebyshev inequality")
k=3;              //for k=3
l1=u-k*n
l2=u+k*n
P2=1-(1/k)^2
disp("thus the probability that a value of X lies between 60 and 90 is atleast 0.8888889 according to Chebyshev Inequality")