More jobs today are found through referrals and person-to-person contacts than through any other method. That's because . a. people hired through referrals tend to demand lower salaries b. using online sources to search for job candidates takes too much time for employers c. employers want to hire known quantities

Needs to schedule the staffing of the center. it is open from 8am until midnight. larry has monitored the usage of the center at various times of the day and determined that the following number of computer consultants are required: time of dayminimum number of consultants required to be on duty8 am-noon4noon-4 pm84pm-8pm108pm-midnight6 two types of computer consultants can be hired: full-time and part-time. the full- time consultants work for eight consecutive hours in any of the shifts: morning (8am- 4pm), afternoon (noon-8pm) and evening (4pm-midnight). full-time consultants are paid $14 per hour. part-time consultants can be hired to work any of the four shifts listed in the table. part-time consultants are paid $12 per hour. an additional requirement is that during every time period, there must be at least two full-time consultants on duty for every part-time consultant on duty. larry would like to determine how many full-time and part-time consultants should work each shift to meet the above requirements at the minimum possible cost. formulate this as an lp problem. you must define your variables clearly

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.

Gus needs to purée his soup while it's still in the pot. what is the best tool for him to use? a. potato masher b. immersion blender c. rotary mixer d. whisk