An automobile manufacturer produces and sells the energy-saver car in north america. it also produces and sells the smart little car in china. in north america, the mean annual number of energy-saver cars produced over the past decade was 12,100. the variance was 8,100. net revenue for each car sold was $2.1 thousand. (net revenue is price minus unit variable costs.) the annual fixed costs of the north american facilities were $176 thousand (costs of management, buildings, insurance, in china, the mean annual number of smart little cars produced over the past decade was 7,500. the variance was 6,400. net revenue for each car sold was $1.2 thousand. the annual fixed costs of the facility in china were $23 thousand. the covariance between the number of cars produced in north america and the number of cars produced in china was 5,040. use x and y to represent the number of cars produced in north america and the number produced in china, respectively. use prx and pry to represent profits in north america and profits in china, respectively. what is the value of mean profit in north america (mean of prx)?

Read the overview below and complete the activities that follow. apartment complexes often look for ways to recruit new tenants and retain current tenants. although apartment complexes offer the tangible benefit of shelter to their tenants, many apartment complexes also offer additional services to tenants to encourage tenants to stay or to support the rent prices. the following scenario identifies the several service gaps of a company that runs an apartment complex as well as solutions for reducing these service gaps. concept review: customers have certain expectations about how a service should be delivered. a service gap occurs when the delivery of a service fails to meet customer expectations. there are four types of service gaps: knowledge gap, standards gap, delivery gap, and the communications gap. it is important for marketers to identify these gaps and develop strategies for minimizing them. match the example or solution to the appropriate service gap category.1. wait for repairs 5. train employees well2. understand expectations 6. incentives for tenants3. do not overpromise 7. family movie night4. empower employees 8. delayed lawn careservice gap example solutionknowledge gap standards gap delivery gap communication gap