is really random?

from math import sqrt
from random import randint

r = lambda:bin(randint(2**25,2**30))[2:]
i = lambda x:abs(x.count("0")-x.count("1"))<=10*sqrt(len(x))
ii= lambda x:abs(x.count("00")-len(x)/4)<=10*sqrt(len(x))

for z in range(300):
    x=r()
    print(x)
    print(i(x),ii(x))