Mathematics, 03.04.2021 08:10 hussain52
According to Humane Society data, 39% of households in the United States have at least one dog.
In the United Kingdom, 23% of households have at least one dog. Suppose you select an SRS of 75
households in the U. S. and 80 households in the U. K., and calculate , = the proportion of
households in the U. S. sample that have a dog, and P2 = the proportion of households in the U. K.
sample that have a dog. Which of the following best describes the sampling distribution of P.-P.?
Mean = 0.16, Standard deviation = 0.024. Shape unknown
Mean unknown, Standard deviation unknown. Shape approximately Normal.
Mean = 0.16, Standard deviation = 0.024. Shape approximately Normall
Mean unknown, Standard deviation unknown. Shape unknown
Mean = 0.16, Standard deviation = 0.073. Shape approximately Normal.
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According to Humane Society data, 39% of households in the United States have at least one dog.
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