A survey was given to a random sample of voters in the United States to ask about their preference for a presidential candidate. The percentage of people
who said they preferred Candidate A was 70%. The margin of error for the
survey was 4%. Write a confidence interval for the percentage of the
population that supports Candidate A.

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.