Sarah owns and operates a small factory that manufactures plastic bottles which she sells to bottling companies. Additional information: Annual demand is 1 million bottles spread evenly over the year Setup cost is $5000 per batch Holding cost is $3 per annum for each bottle Maximum production capacity is 2 million bottles per annum Currently, bottles are manufactured in 10 batches A. Find the optimum production quantity that Sarah should produce to minimize her costs B. Calculate the current annual holding cost and setup cost

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?

What number is 7 units left of -15?