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.