The lifespans of seals in a particular zoo are normally distributed. The average seal lives
13...
Mathematics, 08.04.2020 19:09 maelonramirez
The lifespans of seals in a particular zoo are normally distributed. The average seal lives
13.8
13.813, point, 8 years; the standard deviation is
3.2
3.23, point, 2 years.
Use the empirical rule
(
68
β
95
β
99.7
%
)
(68β95β99.7%)left parenthesis, 68, minus, 95, minus, 99, point, 7, percent, right parenthesis to estimate the probability of a seal living longer than
7.4
7.47, point, 4 years.
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