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Required information [The following information applies to the questions displayed below.) B-You is a consulting firm that works with managers to improve their interpersonal skills. Recently, a representative of a high-tech research firm approached B-You's owner with an offer to contract for one year with B-You to improve the interpersonal skills of a newly hired manager. B-You reported the following costs and revenues during the past year. B - YOU Annual Income Statement Sales revenue $ 241,300 Costs Labor 113,000 Equipment lease 17,200 Rent 15,000 Supplies 11,100 Officers' salaries 69,000 Other costs 8,900 Total costs $ 234, 200 Operating profit (loss) 7,100 If B-You decides to take the contract to help the manager, it will hire a full-time consultant at $81,000. Equipment lease will increase by 5 percent. Supplies will increase by an estimated 10 percent and other costs by 15 percent. The existing building has space for the new consultant. No new offices will be necessary for this work. Required: a. What are the differential costs that would be incurred as a result of taking the contract? A survey of 35 students at the Wall College of Business showed the following majors: Accounting Finance Economics Management Marketing 9 5 3 9 9 Click here for the Excel Data File From the 35 students, suppose you randomly select a student. a. What is the probability he or she is a management major? (Round your answer to 3 decimal places.) Answer is complete but not entirely correct. Probability 0.273 X A study of 185 advertising firms revealed their income after taxes: Income after Taxes Under $1 million $1 million to $20 million $20 million or more Number of Firms 84 51 50 Click here for the Excel Data File a. What is the probability an advertising firm selected at random has under $1 million in income after taxes? (Round your answer to 2 decimal places.) Probability b-1. What is the probability an advertising firm selected at random has either an income between $1 million and $20 million, or an income of $20 million or more? (Round your answer to 2 decimal places.) Probability Refer to the following table. Second Event First Event A1 A2 A3 5 11 12 B1 Total 28 39 B2 7 24 8 Total 12 35 20 67 Click here for the Excel Data File a. Determine P(A2). (Round your answer to 2 decimal places.) P(A2) b. Determine PIB2 / A1). (Round your answer to 2 decimal places.) P(B2|A1) a. Determine P(A2). (Round your answer to 2 decimal places.) P(A2) b. Determine PIB2 / A1). (Round your answer to 2 decimal places.) P(B2|A1) c. Determine PlAz and B2). (Round your answer to 2 decimal places.) P(A3 and B2) Solve the following: a. 21!/16! a b. 7P3 C. 10 C9 a. . b. C. Listed below is a table showing the number of employed and unemployed workers 20 years or older by gender in the United States. Gender Number of Workers (000) Employed Unemployed 70,415 4,209 61,402 Men Women 3,314 a. How many workers were studied? (Enter your answer in thousands.) Number of workers b. What percent of the workers were unemployed? (Round your answer to 1 decimal place.) Percentage of unemployed workers % c. What percent of men are unemployed? What percent of women are unemployed? (Round your answers to 1 decimal place.) The Downtown Parking Authority of Tampa, Florida, reported the following information for a sample of 223 customers on the number of hours cars are parked. Number of Hours 1 2 3 4 Frequency 15 38 52 45 20 12 5 36 223 5 6 7 8 Click here for the Excel Data File a-1. Convert the information on the number of hours parked to a probability distribution. (Round your answers to 3 decimal places.) Number of Hours Frequency Pr(x) 1 15 2 38 3 52 4 45 5 20 6 12 7 5 8 36 b-1. Find the mean and the standard deviation of the number of hours parked. (Do not round the intermediate calculations. Round your final answers to 3 decimal places.) Mean Standard deviation b-2. How long is a typical customer parked? (Do not round the intermediate calculations. Round your final answer to 3 decimal places.) The typical customer is parked for hours c. What is the probability that a car would be parked for more than 6 hours? What is the probability that a car would be parked for 3 hours or less? (Round your answers to 3 decimal places.) P(time parked 2 6 hours) P(time parked