5. A Bernoulli random variable, representing whether or not the stock market goes up or down tomorrow (assume that the market cannot be unchanged), has an "up" probability of 0.6 and a "down" probability of 0.4. What is the standard deviation of this random variable? a. 0.4
b. 0.6
c. 0.49
d. 0.24
6. Using the same probability as described in Question 5, and assuming that moves in the market are independent from day to day, then what is the probability that the market goes up on exactly 2 of the next 4 days?
a. 0.5000
b. 0.7776
c. 0.3456
d. 0.0576

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.

Connors academy reported inventory in the 2017 year-end balance sheet, using the fifo method, as $154,000. in 2018, the company decided to change its inventory method to lifo. if the company had used the lifo method in 2017, the company estimates that ending inventory would have been in the range $130,000-$135,000. what adjustment would connors make for this change in inventory method?

The solution set for -18 < 5x-3 iso-3х3< xо-3хo3 > x