Mathematics, 20.10.2020 03:01, dianaskye9081

The lifespans of seals in a particular zoo are normally distributed. The average seal lives 13.813.813, point, 8 years; the standard deviation is 3.23.23, point, 2 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 seal living longer than 7.47.47, point, 4 years.

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The lifespans of seals in a particular zoo are normally distributed. The average seal lives 13.813.8...