Amanufacturer of chocolate chips would like to know whether its bag filling machine works correctly at the 420.0420.0 gram setting. it is believed that the machine is underfilling the bags. a bag sample had a mean of 417.0417.0 grams. a level of significance of 0.010.01 will be used. state the hypotheses. assume the variance is known to be 576.00576.00. enter the hypotheses:

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.