code: public static BMatrixRMaj randomBinary(int numRow , int numCol , Random rand ) {
          BMatrixRMaj mat = new BMatrixRMaj(numRow,numCol);
  
          setRandomB(mat, rand);
  
          return mat;
      }
docs: Returns new boolean matrix with true or false values selected with equal probability.
  
  @param numRow Number of rows in the new matrix.
  @param numCol Number of columns in the new matrix.
  @param rand Random number generator used to fill the matrix.
  @return The randomly generated matrix.