Acompany is considering implementing one of two quality control plans for monitoring the weights of automobile batteries that it manufactures. if the manufacturing process is working properly, the battery weights are approximately normally distributed with a specified mean and standard deviation.

quality control plan a calls for rejecting a battery as defective if its weight falls more than 2 standard deviations below the specified mean.

quality control plan b calls for rejecting a battery as defective if its weight falls more than 1.5 interquartile ranges below the lower quartile of the specified population.

assume the manufacturing process is under control.
a) what proportion of batteries will be rejected by plan a?
b) what is the probability that at least 1 of 2 randomly selected batteries will be rejected by plan a?
c) what proportion of batteries will be rejected by plan b?

You are the manager in charge of global operations at bankglobal – a large commercial bank that operates in a number of countries around the world. you must decide whether or not to launch a new advertising campaign in the u.s. market. your accounting department has provided the accompanying statement, which summarizes the financial impact of the advertising campaign on u.s. operations. in addition, you recently received a call from a colleague in charge of foreign operations, and she indicated that her unit would lose $8 million if the u.s. advertising campaign were launched. your goal is to maximize bankglobal’s value. should you launch the new campaign? explain. pre-advertising campaign post-advertising campaign total revenues $18,610,900 $31,980,200 variable cost tv airtime 5,750,350 8,610,400 ad development labor 1,960,580 3,102,450 total variable costs 7,710,930 11,712,850 direct fixed cost depreciation – computer equipment 1,500,000 1,500,000 total direct fixed cost 1,500,000 1,500,000 indirect fixed cost managerial salaries 8,458,100 8,458,100 office supplies 2,003,500 2,003,500 total indirect fixed cost $10,461,600 $10,461,600

Samantha is interested in setting up her own accounting firm and wants to specialize in the area of accounting that has experienced the most significant growth in recent years. which area of accounting should she choose as her specialty? samantha should choose as her specialty.

The year-end financial statements of calloway company contained the following elements and corresponding amounts: assets = $34,000; liabilities = ? ; common stock = $6,400; revenue = $13,800; dividends = $1,450; beginning retained earnings = $4,450; ending retained earnings = $8,400. based on this information, the amount of expenses on calloway's income statement was