16.8 a work sampling study is to be performed on an office pool consisting of 10 persons to see how much time they spend on the telephone. the duration of the study is to be 22 days, seven hours per day. all calls are local. using the phone is only one of the activities that members of the pool accomplish. the supervisor estimates that 25% of the time of the workers is spent on the phone.(a) at the 95% confidence level, how many observations are required if the lower and upper limits on the confidence interval are 0.20 and 0.30.(b) regardless of your answer to (a), suppose that 200 observations were taken on each of the

The law says your employer is responsible for providing you with a safe and healthy workplace. true or false?

When an interest-bearing note comes due and is uncollectible, the journal entry includes debitingaccounts receivable and crediting notes receivable and interest revenue.accounts receivable and crediting interest revenue.notes receivable and crediting accounts receivable and interest revenue.notes receivable and crediting accounts receivable.

Exercise 18-15 sheffield appliance center is an experienced home appliance dealer. sheffield appliance center also offers a number of services for the home appliances that it sells. assume that sheffield appliance center sells ovens on a standalone basis. sheffield appliance center also sells installation services and maintenance services for ovens. however, sheffield appliance center does not offer installation or maintenance services to customers who buy ovens from other vendors. pricing for ovens is as follows. oven only $790 oven with installation service 850 oven with maintenance services 970 oven with installation and maintenance services 990 in each instance in which maintenance services are provided, the maintenance service is separately priced within the arrangement at $180. additionally, the incremental amount charged by sheffield appliance center for installation approximates the amount charged by independent third parties. ovens are sold subject to a general right of return. if a customer purchases an oven with installation and/or maintenance services, in the event sheffield appliance center does not complete the service satisfactorily, the customer is only entitled to a refund of the portion of the fee that exceeds $790. assume that a customer purchases an oven with both installation and maintenance services for $990. (b) indicate the amount of revenue that should be allocated to the oven, the installation, and to the maintenance contract.