The lifespans of tigers in a particular zoo are normally distributed. The average tiger lives 22.422.422, point, 4 years; the standard deviation is 2.72.72, point, 7 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 tiger living between 27.827.827, point, 8 and 30.530.530, point, 5 years.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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The lifespans of tigers in a particular zoo are normally distributed. The average tiger lives 22.422.422, point, 4 years; the standard deviation is 2.72.72, point, 7 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 tiger living between 27.827.827, point, 8 and 30.530.530, point, 5 years.
 
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