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17. Profitability Index versus NPV Levis Group, a consumer electronics conglomerate, is reviewing its annual budget in wireless technology. It is considering investments in three different technologies to develop wireless communication devices. Consider the following cash flows of the three independent projects. Assume the discount rate is 10 percent. Further, the company has only $45 million to invest in new projects this year. Cash Flows (in millions) Year L6 G5 WI-FI 0 -$15 -$30 -$45 1 13 21 20 2 11 26 38 3 9 20 37 a. Based on the profitability index decision rule, rank these investments. b. Based on the NPV, rank these investments. c. Based on your findings in (a) and (b), what would you recommend to the company's CEO, and why?

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Suppose that the probability density function of the random variable X is f(x; θ) = ( 2θ2x−3, x ≥ θ, 0, x < θ, where θ > 0 is a parameter. (a) Using the method of moments, find an estimator for θ based on a random sample of size n. (b) Find the corresponding estimate for the sample x1 = 4.5, x2 = 2.5, x3 = 3, x4 = 3.

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What role do spore baring structures have in the classification and identification of fungi?

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For both the Current Year and 1 Year Ago, compute the following ratios: (1-a) Compute profit margin ratio for the current year and one year ago. (1-b) Did profit margin improve or worsen in the Current Year versus 1 Year Ago? Complete this question by entering your answers in the tabs below. Required 1A Required 1B Compute profit margin ratio for the current year and one year ago. Profit Margin Ratio Numerator: At December 31 Assets Cash Accounts receivable net Merchandise inventory Prepaid expenses Plant assets net Total assets Liabilities and Equity Accounts payable Long-term notes payable Common stock, $10 par value Retained earnings Total liabilities and equity Current Year Year Ago 2 Years Ago $32,000 86,900 111,000 10,350 277,000 $517,250 $35,250 61,500 80,000 9,200 250,000 $435,950 $37,200 49,000 54,000 4,900 229,000 $374,100 $128,400 96,000 163,000 129,850 $517,250 $72,500 100,750 163,000 99,700 $435,950 $50,800 80,800 163,000 80,5164 $374,100 The company's income statements for the Current Year and Year Ago follow For Year Ended December 31 Sales Cost of goods sold Other operating expenses Interest expense Income tax expense Total costs and expenses Net income Current Year 725,000 $420,500 232,000 11,700 9,550 673,750 $51,250 $3.14 1 Year Ago $630,000 $403,200 144,900 13,400 8,600 570,100 60,065 $ Earnings per share $3.67 For both the Current Year and 1 Year Ago, compute the following ratios: (1-a) Compute profit margin ratio for the current year and one year ago. (1-b) Did profit margin improve or worsen in the Current Year versus 1 Year Ago? Complete this question by entering your answers in the tabs below. Required 1A Required 1B Profit Margin Ratio Denominator: Numerator: Profit Margin Ratio

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The mass of a substance, which follows a continuous exponential growth model, is being studied in a lab. A sample increases continuously at a relative rate of 13% per day. Find the mass of the sample after six days if there were 975 grams of the substance present at the beginning of the study. Do not round any intermediate computations, and round your answer to the nearest tenth.

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Complete each ordered pair so that it is a solution of the given linear equation. x - 3y = -8; ( ,2), (1, ) The first ordered pair is ( ,2).

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It's not possible.

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f(n) = \pm\sqrt{n^2 + 1} is a function from R to R Select one: True False

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You wish to test the following claim ($H_1$) at a significance level of 0.001. $H_0: \mu = 51.7$ $H_1: \mu \neq 51.7$ You believe the population is normally distributed and you know the standard deviation is $\sigma = 11.9$. You obtain a sample mean of $\bar{x} = 48.1$ for a sample of size $n = 39$. Part 1: What is the critical value for this test? (Report answer accurate to three decimal places.) critical value = $\pm$ What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic =

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3. Why is it important for a CS to advise the chairman about the use of a casting vote, and how can it impact the dynamics of the meeting?

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