Acompany has three production plants, each of which produces two different models of a product. the daily capacities of the three plants are as follows: # of units produced in a day model 1 model 2 plant x 8,000 4,000 plant y 6,000 6,000 plant z 12,000 4,000 the total demand for model 1 is 300,000 units and for model 2 is 172,000 units. moreover, the daily operating cost for plant x is $55,000, for plant y is $60,000, and for plant z is $60,000. q1. how many days should each plant be operated in order to fill the total demand, and keep the operating cost at a minimum? formulate this problem as a linear program.

The wall street journal reported that walmart stores inc. is planning to lay off 2,300 employees at its sam's club warehouse unit. approximately half of the layoffs will be hourly employees (the wall street journal, january 25-26, 2014). suppose the following data represent the percentage of hourly employees laid off for 15 sam's club stores. 55 56 44 43 44 56 60 62 57 45 36 38 50 69 65 (a) compute the mean and median percentage of hourly employees being laid off at these stores. (b) compute the first and third quartiles. (c) compute the range and interquartile range. (d) compute the variance and standard deviation. (e) do the data contain any outliers? (f) based on the sample data, does it appear that walmart is meeting its goal for reducing the number of hourly employees?

Noah met an old friend at a coffee shop. he jotted down the friend's new phone number, but later that afternoon he could not find it or remember what he had done with it. a couple of days later, noah went back to the coffee shop, and while waiting in line, he suddenly remembered where he had put the phone number. this is an example of:

Jorge is attending college next year. he just got information on the college costs and the financial aid package the college is offering. jorge knows his parents can contribute $4,500 each year. jorge’s college costs & financial aid package per year costs financial aid package tuition & fees grants & scholarship $26,000 $18,500 room & board work-study $12,500 $8,500 how much will jorge need to pay each year from his own savings and from loans? $3,000 $7,000 $7,500 $11,500