Annual starting salaries for college graduates with degrees in business administration are generally expected to be between 3 and 5. assume that a 95% confidence interval estimate of the population mean annual starting salary is desired. 1. what is the planning value for the population standard deviation? 2. how large a sample should be taken if the desired margin of error is
a. $500?
b. $200?
c. $100?
3. would you recommend trying to obtain the $100 margin of error? explain.

Employee engagement is considered a key workplace attitude that can us to understand how an organization is doing. engaged employees can be described as those that "give their all" at work. this activity is important because it will you recognize some of the factors that contribute to, and some of the outcomes of, employee engagement. as a manager, this knowledge will you to foster a work environment where your employees are more engaged. the goal of this exercise is for you to demonstrate your understanding of the factors and outcomes of employee engagement. for each factor listed below, decide whether it is a factor that increases employee engagement, a factor that decreases employee engagement, or an outcome of employee engagement.

At a small store, a customer enters the front door on average every 8 minutes. a prior study indicated that the time between customers entering the front door during weekdays follows an exponential distribution. what is the probability that the time between customers entering the store on a weekday will be less than or equal to 7? select one: a. 62 b. 43 c. 1/8 d. 7/8 e. 58

Best burger is a major fast food chain. its managers are motivated to grow the firm in order to increase their market power and change the industry structure in their favor. which of the following strategies is most associated with their motive for growth? a. employing celebrity spokespeople b. implementing automated burger-making machinery c. purchasing competitors d. increasing executive salaries