Suppose the scores on an exam are normally distributed with a mean μ = 75 points, and standard deviation σ = 8 points. suppose that the top 4% of the exams will be given an a+. in order to be given an a+, an exam must earn at least what score?

An office manager is concerned with declining productivity. despite the fact that she regularly monitors her clerical staff four times each day—at 9: 00 am, 11: 00 am, 1: 00 pm, and again at 3: 00 pm—office productivity has declined 30 percent since she assumed the helm one year ago. would you recommend that the office manager invest more time monitoring the productivity of her clerical staff? explain.

Arival company manufactures fuel tanks for cars using a different production technique. the total weekly cost (in dollars) of producing x tanks is given by c(x) = 10000 +90x - 0.04x2 find the marginal cost at a production level of 500 fuel tanks per week to approximate the cost of the 501st unit (round to the nearest 2 decimal places, if needed)

Jade international is a highly diversified global firm with headquarters in new jersey. it manufactures a variety of products ranging from home security systems to automotive components. jade's 100,000 employees work at facilities located in more than 60 countries around the world. jade frequently sends american managers overseas to manage the firm's foreign facilities. the hr department is considering the idea of redesigning jade's expatriate support services program.which of the following, if true, best supports jade's decision to provide assistance to trailing spouses in finding jobs overseas? a) jade puts great emphasis on promoting the role of women in global management.b) the majority of jade's expatriate managers have long-term international experience.c) jade has lost a significant chunk of its global cadre in the recent past owing to its failure to offer feasible options to address the dual-career couples dilemma.d) female managers at jade have reported discriminatory treatment while on overseas assignments.