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Is college worth it? Among a simple random sample of 338 American adults who do not...

Is college worth it? Among a simple random sample of 338 American adults who do not have a four-year college degree and are not currently enrolled in school, 156 said they decided not to go to college because they could not afford school. 1. Calculate a 95% confidence interval for the proportion of Americans who decide to not go to college because they cannot afford it, and interpret the interval in context. Round to 4 decimal places. (, )

2. Suppose we wanted the margin of error for the 95% confidence level to be about 2%. What is the smallest sample size we could take to achieve this? Note: For consistency's sake, round your z* value to 3 decimal places before calculating the necessary sample size. Choose n =

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