(a) Which of the following surveys probably would best represent the entire population of households? O 50 households with a garage are randomly selected; 21 own a dog. 50 households within a mile of a park are randomly selected; 22 own a dog. O 50 households are randomly selected from the town; 19 own a dog. (b) There are 750 households in the town. Using your answer from part (a), estimate the number of households that own a dog. households

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