Questlon 4n pomt; v oat/ea Let the random variable X follow a normal distribution with u = 20 and c7 = 5. The probability is 0.99 that X is in the symmetric interval about the mean between which two numbers? 0 1) 13.7233 and 26.2767 _ ' . ' {'9 O 2) none of the other answers. Q) 3) 19.9860 and 20.0140 0 4) all of the other answers (except for \"none of the other ansWers\"). O 5) 14.2403 and 25.7597