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Call me: A sociologist wants to construct an 80% confidence interval for the proportion of children aged 8-10 living in New York who own a smartphone, (a) A survey by the National Consumers League estimated the nationwide proportion to be 0.36. Using this estimate, what sample size is needed so that the confidence interval will have a margin of error of 0.027 A sample of Il children aged 8-10 living in New York is needed to obtain an 80% confidence interval with a margin or error of 0.02 using the estimate 0.36 for p

Part 2 of 3 (h) Estimate the sample size needed if no estimate of pis available A sample of children aged 8-10 living in New York is needed to obtain an 80% confidence interval with a margin of errot of 0.03 when no estimate of p is available. X 5 Part: 2/3 Part 3 of 3 (c) of the sociologist wanted to estimate the proportion in the entire United States rather than in New York, would the necessary sample size be larger, smaller, or about the same? Explain The necessary sample size would be choose one) since it (Choose one) v depend on the size of the population about the same larger smaller

Part 3 of 3 (c) If the sociologist wanted to estimate the proportion in the entire United States rather than in New York, would the necessary sample size be farger, smaller, or about the same? Explain The necessary sample site would be (Choose one) population since (Choose one) depend on the size of the does does not