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SAT, 21.05.2021 22:10 quennnshyan7276

The average age of a breed of dog is 19.5 years. If the distribution of their ages is normal and 20% of dogs are older than 22.6 years, find the standard deviation.

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The average age of a breed of dog is 19.5 years. If the distribution of their ages is normal and 20%...
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