1. Are police more likely to initiate stops for black drivers that they are for white drivers? According to the Bureau of Justice Statics, PolicePublic Contact Survey (2015) police stopped 8.61% of white drivers. They surveyed a random sample of 1000 black drivers and found that 9.76% of them were stopped.
2. Using confidence interval=0.05, what is a 95% confidence interval for the percent of Black drivers stopped.
3. How could you use the confidence interval to test the null hypothesis you stated in Part A?
4. What number are you looking for in the confidence interval? Is it there?
5. Describe, in the context of this problem, what the confidence interval means.