Mathematics, 27.05.2020 04:59 tishfaco5000
The lifespans of zebras in a particular zoo are normally distributed. The average zebra lives 20.520.5 20.5 20, point, 5 years; the standard deviation is 3.93.9 3.9 3, point, 9 years. Use the empirical rule (68−95−99.7%)(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 zebra living longer than 32.232.2 32.2 32, point, 2 years.
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The lifespans of zebras in a particular zoo are normally distributed. The average zebra lives 20.520...
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