The lifespans of lions in a particular zoo are normally distributed. The average lion lives 10 1010 years; the standard deviation is 1.4 1.41, point, 4 years. Use the empirical rule ( 68 − 95 − 99.7 % ) (68−95−99.7%)left parenthesis, 68, minus, 95, minus, 99, point, 7, percent, right parenthesis to estimate the probability of a lion living longer than 7.2 7.27, point, 2 years.