The accompanying unions and labor law data reports the percent of public and private-sector employees in unions in a certain year for each state, along with indicators of whether the states had a bargaining law that covered public employees or right-to-work laws. For all the tests, let population 1 be states with no bargaining laws and population 2 be states with bargaining laws. a. Test the hypotheses that the mean percent of employees in unions for both the public sector and private sector is the same for states having bargaining laws as for those who do not. b. Test the hypotheses that the mean percent of employees in unions for both the public sector and private sector is the same for states having right-to-work laws as for those who do not. Click the icon to view the unions and labor law data. a. Is there sufficient evidence at the 0.01 level of significance to conclude that the mean percent of employees in unions for the public sector is the same for states having bargaining laws as for those who do not? Determine the null hypothesis, H 0 , and the alternative hypothesis, H 1 . (Type integers or decimals. Do not round.).