Numerade

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A medical test is used to detect a disease. In a population, 1% have the disease. The test gives a positive result with probability 0.95 if the person has the disease, and 0.10 if the person does not have the disease. What is the overall probability that the test result is positive? (Hint: law of total probability)

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Is the following True or False for the Gauss's Law for magnetic field? Since there are no magnetic monopoles, magnetic field lines can not start or end anywhere. They always come as loops. That is why magnetic flux through a closed surface is always zero: ∮B⃗ .dA⃗ =0∮B→.dA→=0

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A Hexa peptide that is part of a mouse polypeptide hormone is analyzed

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Some argue that alcohol in moderate amounts has positive health benefits. What does your textbook conclude about this claim based on research from 195 countries? Group of answer choices: - Only heavy drinking was associated with poor health outcomes across countries. - Only men appear to benefit from moderate drinking across countries. - Even moderate amounts of drinking were associated with poor health outcomes, such as cancer, self-harm, and accidents. - Moderate amounts of drinking were associated with a lower risk of heart disease and diabetes in both women and men across different countries.

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Find the surface area of a right prism whose base is a right triangle with legs of length 8 ft. and 6 ft. The height of the prism is 12 ft.

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in the box above, you predicted the effect of the common ion on molar solubility of Ca(OH)2; now you will experimentally determine this effect: Common Ion Effect *Trial #1 Volume of Ca(OH)2 10.00ml (1 pt.) Initial Buret Reading 32.00ml Final Buret Reading 38.91ml Volume HCI Delivered 6.91ml Solubility (M) (4 pts.) Trial #2 10.00ml 38.91001 43.95ml 5.04ml (4 pts.) *Sample calculation of experimental molar solubility of Ca(OH)2 in 0.2 M CaCl? for Trial 1. Does your experimental solubility result for the common ion effect agree with your prediction (Question 4) of the common ion effect on this reaction? Explain. If you did this reaction in a solution containing NaOH, would you expect the solubility to be affected? In what way? Explain. If you did the reaction in a solution containing NaCl, would you expect the solubility to be affected? In what way? Explain. 85

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GamesAreUs, Inc. is thinking of developing a new play station "Ultimate PlayStation Killer". Development will take five years and the cost is $200,000 per year. To build hype and drive (future) sales, the company would need to spend an additional $50,000 in advertisement one year before the production (i.e. during the last year of development) and another $50,000 during the first year of production. After that the product will be well recognized on the market and will not need any additional marketing spending. Once in production, the expected revenues in the first year is $800,000, growing to $1,000,000 in the second year, and then declining by 25% every year thereafter forever. a) What is the NPV as a function of cost of capital (r) of the "Ultimate PlayStation Killer"? b) What is the NPV of the "Ultimate PlayStation Killer" if the cost of capital is 40%? c) How many IRRs does this investment opportunity have? Can the IRR rule be used to evaluate this investment? Explain. d) Based on your calculations, would recommend developing the "Ultimate PlayStation Killer"?

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Determine the indices for the planes in the cubic unit cells shown.

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There are reactions at the roller support A, the ball-and-socket joint D, and the tension in cable BC for the plate. Determine the value of $A_z$. MATLAB input variables: format long F1 = 900; % N F2 = 600; AB1 = 0.4; % m AB2 = 0.4; AB3 = 0.2; BD1 = 0.5; BD2 = 0.3;

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What is the production function if labor, L, and capital, K, are perfect substitutes and each unit of q requires 0.5 units of L or 0.5 units of K (or a combination of these inputs that adds to 0.5)? The production function is q=\boxed{ }.

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thomas m.