Which of the following is NOT a requirement for using the transportation model? A. the demand per period at each destination point B. the cost of shipping one unit from each origin to eaach destination C. the fixed cost of operating each origin point D. the capacity or supply per period at each origin point

Alarge university wanted to study the relationship between completing an internship during college and students' future earning potential. prom the same graduating class, they selected a random sample of 80 students who completed an internship and 100 students who did not complete an internship and examined their salaries five years after graduation. they found that there was a statistically higher mean salary for the internship group than for the noninternship group. which of the following interpretations is the most appropriate? a. there could be a confounding variable, such as student major, that explains the difference in mean salary between the internship and no internship groups. b. we cannot infer anything from these data since the distribution of salaries is likely right skewed. c. you cannot draw any valid conclusions because the sample sizes are different. d. more students should complete internships because having an internship produces a higher salary.

Answer the following questions using the banker’s algorithm: a. illustrate that the system is in a safe state by demonstrating an order in which the processes may complete. b. if a request from process p1 arrives for (1, 1, 0, 0), can the request be granted immediately? c. if a request from process p

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends > a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?