B.) Identify whether the following situations depict one or two-tailed test. For one-tailed, classify further whether it is right or left-tailed. Then, write the hypothesis. 1.) The mayor claims that blacks account for 25% of all city employees. A civil rights group disputes this claim, and argues that the city discriminates against blacks. A random sample of 120 city employees has 18 blacks. Test the mayor's claim at the .05 level of signicance