Some experts believe that 15% of all freshwater fish in a country have such high levels of mercury that they are dangerous to eat. suppose a fish market has 150 fish tested, and 28 of them have dangerous levels of mercury. test the hypothesis that this sample comes from a population of fish that has a proportion larger than 15% of dangerous fish, assuming that this is a random sample. use a significance level of 0.05. comment on your conclusion.

To be able to better compare stock performance within the same industry, similar companies are grouped into? a)market sectors b) industry blocks c) performance sectors d) average earning blocks

The following cost data relate to the manufacturing activities of chang company during the just completed year: manufacturing overhead costs incurred: indirect materials $ 15,800 indirect labor 138,000 property taxes, factory 8,800 utilities, factory 78,000 depreciation, factory 150,600 insurance, factory 10,800 total actual manufacturing overhead costs incurred $ 402,000 other costs incurred: purchases of raw materials (both direct and indirect) $ 408,000 direct labor cost $ 68,000 inventories: raw materials, beginning $ 20,800 raw materials, ending $ 30,800 work in process, beginning $ 40,800 work in process, ending $ 70,800 the company uses a predetermined overhead rate of $20 per machine-hour to apply overhead cost to jobs. a total of 20,500 machine-hours were used during the year. required: 1. compute the amount of underapplied or overapplied overhead cost for the year. 2. prepare a schedule of cost of goods manufactured for the year.

At the end of year 2, retained earnings for the baker company was $3,550. revenue earned by the company in year 2 was $3,800, expenses paid during the period were $2,000, and dividends paid during the period were $1,400. based on this information alone, retained earnings at the beginning of year 2 was: