The lifespans of lizards in a particular zoo are normally distributed. The average lizard lives
3.1
3.13, point, 1 years; the standard deviation is
0.6
0.60, point, 6 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 lizard living longer than
2.5
2.52, point, 5 years.