In a local community, assume ages are normally distributed with a standard deviation of 10. in order to estimate the average age of people in the community, a sample of 25 people are taken. the mean of these sample values is 54. the upper bound of the 90% confidence interval for the mean age is 57.3. what is the lower bound for the 90% confidence interval?

Accublade castings inc. casts blades for turbine engines. within the casting department, alloy is first melted in a crucible, then poured into molds to produce the castings. on may 1, there were 230 pounds of alloy in process, which were 60% complete as to conversion. the work in process balance for these 230 pounds was $32,844, determined as follows: exercises during may, the casting department was charged $350,000 for 2,500 pounds of alloy and $19,840 for direct labor. factory overhead is applied to the department at a rate of 150% of direct labor. the department transferred out 2,530 pounds of finished castings to the machining department. the may 31 inventory in process was 44% complete as to conversion. prepare the following may journal entries for the casting department: the materials charged to production the conversion costs charged to production the completed production transferred to the machining department determine the work in process"casting department may 31 balance.

Selected transactions of the carolina company are listed below. classify each transaction as either an operating activity, an investing activity, a financing activity, or a noncash activity. 1. common stock is sold for cash above par value. 2. bonds payable are issued for cash at a discount

For a firm that uses the weighted average method of process costing, which of the following must be true? (a) physical units can be greater than or less than equivalent units. (b) physical units must be equal to equivalent units. (c) equivalent units must be greater than or equal to physical units. (d) physical units must be greater than or equal to equivalent units.