Numerade

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Q1 The joint probability mass function of the random variables X and Y is shown in the table below, where X is the number of tennis racquets and Y is the number of golf clubs sold daily in a small sports store. f(x,y) X Y 1 2 3 1 0.30 0.18 0.12 2 0.15 0.09 0.06 3 0.05 0.03 0.02 Find (a) P(X= 3, Y = 1). (b) P(1 ≤ X ≤ 2, Y ≤ 2). (c) the marginal p.m.f. of X and of Y. Also determine whether X and Y are independent or not. (d) the mean and standard deviation of the number of sold tennis racquets. (e) the mean and standard deviation of the number of golf clubs sold daily in a small sports store. (f) the Cov(X, Y). (g) the conditional p.m.f. of X given that Y = 3. (?? marks)

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Your business bought building for $100,000 and has claimed $80,000 in depreciation and now sells it for $60,000. What is the gain situation? a. $60,000 of capital gain b. $40,000 of §1250 gain c. $60,000 of §1250 gain d. $40,000 of §1245 gain e. $60,000 of §1245 gain

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What is the life expectancy of an individual with CF? What is the usual cause of death?

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Correct question answer get upvote: Explain the principles of value stream mapping and their applications in identifying waste and optimizing workflows.

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4. (25 puan) $Z_{xx} + 5Z_{xy} + 6Z_{yy} = \frac{1}{y^2}$ k?smi diferensiyel denkleminin genel çözümünü bulunuz.

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What might be a problem for Divine Command Theory? Group of answer choices Sacred texts are open to interpretation How can we prove that a divine being exists? How can we prove that a divine being has a hand in morality? All of the above

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A decrease in metabolic rate, extreme nervousness and chronic fatigue may be due to Blank______ of thyroid hormone.

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proper steps will get zero credits! 1. (30') Suppose that a causal LTI system has the following input and output below: input: X(s) = 2 6 output: Y(s) = \frac{6}{s+2} a) (10') What is the Transfer Function H(s)? b) (5') Determine its stability. Please explain why. c) (10') What is the impulse response? d) (10') If the input to the circuit becomes x(t) = 3 cos(5t), for t? 0, what would the steady- state output y(t) be?

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A block of mass $m = 23kg$ is being pulled with forces $F_1 = 69N$ and $F_2 = 92N$ that are in opposite directions as shown in the figure below. If the block does not move in the presence of these forces, what is the magnitude of the static force of friction acting on the block? Express your answer in units of N using zero decimal places. You can take $g = 9.80m/s^2$ if necessary.

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reported in the operating activities section of Gateway's statement of cash flows for 2016: Net income $1,200,000 Increase in inventories 600,000 Decrease in accounts payable 400,000 Which one of the following conclusions can be assumed from the information provided? a. Gateway used the direct method to determine cash flows from operating activities. b. Gateway purchased more merchandise than it sold in 2016. c. Cash payments for merchandise purchases were less than the amount of merchandise purchased on credit during 2016. d. Cash payments for merchandise exceeded cost of goods sold by $200,000.

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