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AP Statistics

A family has two cats named Gordo and Flaco. Gordo weighs 15 pounds and Flaco weighs 8 pounds. A cat’s weight is classified as unhealthy if the weight is located in the top 5% or bottom 5% of all cat weights. The distribution of cat weights is approximately normal with mean 9.5 pounds and standard deviation 1.5 pounds. Which of the following is the best description of Gordo’s and Flaco’s weights?

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  1. Z = (score-mean)/SD

    Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability.

    Use that to choose one of the following (that you did not include).
    You cannot copy and paste here.

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  2. Both unhealthy

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  3. statistics yUh StatisticS YuH

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  4. Gordo is considered unhealthy because his weight is above 2 standard deviations, which means he's already within top 5% for weight. Flaco is healthy.

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