A fair coin is tossed 400 times. Approximately, what are the chances to get more than 210 tails? (Use the empirical rule and the normal approximation to the binomial distribution.)
a) P(X > 210) = 0.8413
b) P(X > 210) = 0.1587
c) P(X > 210) = 0.3413
d) P(X > 210) = 0.5000