6. You are doing a research project in political science to determine the proportion of voters in your district who favor capital punishment. a. If no preliminary sample of voters is taken to estimate...

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Extracted text: 6. You are doing a research project in political science to determine the proportion of voters in your district who favor capital punishment. a. If no preliminary sample of voters is taken to estimate p, how large a sample is necessary to be 99% sure that the point estimate will be within a distance of.01 from p? b. The NORC found that approximately 67% of people in the U.S. favor capital punishment. How large a sample is necessary to be 99% sure that the point estimate will be within a distance of .01 from p? 7. A study was conducted on parental empathy for sensitivity cues and baby temperament in infants. In a sample of 32 mothers, the mean was 69.44 with a standard deviation of 11.69. In a sample of 32 fathers, the mean was 59.0 with.a standard deviation of 11.60. Find a 99% confidence interval for u1-42. 8