Question: 2.21. Calculate the method of moments estimate for the parameter \(\theta \) in the probability function

\[{{p}_{X}}\left( k;\theta \right)={{\theta }^{k}}{{\left( 1-\theta \right)}^{1-k}},\,\,\,\,k=0,1\]

if a sample of size 5 is the set of numbers 0, 0, 1, 0, 1.