The accompanying data table lists measured voltage amounts supplied directly to a familys home. the power supply company states that it has a target power supply of 120 volts. using the home voltage amounts, test the claim that the mean mean is 120 volts. use a 0.05 significance level

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.