Suppose that, on average, electricians earn approximately µ = $54,000 per year in the united states. assume that the distribution for electricians’ yearly earnings is normally distributed and that the standard deviation is σ = $12,000. given a sample of four electricians, what is the standard deviation for the sampling distribution of the sample mean? multiple choice a)6,000 b)12,000 c)36,000 d)54,000.

Luggage world buys briefcases with an invoice date of september 28. the terms of sale are 2/10 eom. what is the net date for this invoice

Which statement was true in the past but is not generally true today? a. the training and education costs for some jobs will prohibit some people from entering that career be b. young people tend to go into the same job that their parents and grandparents did see c. people need a basic level of education before they meet requirements to professional schools d. people will probably have more than one job in their active working lives

The manager of the quick stop corner convenience store (which never closes) sells four cases of stein beer each day. order costs are $8.00 per order, and stein beer costs $.80 per six-pack (each case of stein beer contains four six-packs). orders arrive three days from the time they are placed. daily holding costs are equal to 5 percent of the cost of the beer. if he were to order 16 cases of stein beer at a time, what would be the average inventory level? a. 0.25 days b. 3 days c. 1 day d. 4 days e. 20 days