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Based on the 2000 Census, 31

Question 137

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Based on the 2000 Census, 31.8% of grandparents in California are the primary caregivers for their grandchildren. In a random sample of 1000 grandparents, 296 are the primary caregivers for their grandchildren. What is the z-score associated with the observed sample proportion of grandparents who are the primary caregivers for their grandchildren?

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