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joe clarke

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Use the t-distribution to find a confidence interval for a mean $\mu$ given the relevant sample results. Give the best point estimate for $\mu$, the margin of error, and the confidence interval. Assume the results come from a random sample from a population that is approximately normally distributed. A 99% confidence interval for $\mu$ using the sample results $\bar{x} = 80.4$, $s = 30.9$, and $n = 15$ Round your answer for the point estimate to one decimal place, and your answers for the margin of error and the confidence interval to two decimal places. point estimate = i margin of error = i The 99% confidence interval is i to i

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For sustainable practices to be environmentally satisfactory, they must _____. Multiple choice question. act without harming the ability of the biosphere to sustain life over the long term address the real needs of business and its necessities meet the needs of the present by compromising the ability of future generations to meet their own needs withdraw from using natural resources and energy during production stages

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Which device that when measured has a positive correlation with longevity of life in elderly individuals? Hand grip dynamometer Critical power Isometric mid-thigh pull Wingate

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What was, or will continue to be, the "fallout" associated with the increased stress levels due to the withdrawal of the final U.S. military forces from Afghanistan on the decision makers, politicians, military commanders, federal government staff, Afghan citizens, U.S. citizens, and others.

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1) (10 points total) Define following terms in one (at most two) sentence. Answer additional questions (if exist) of items a-e in one sentence. (2 points each) a. Discouraged worker b. Marginal propensity to save c. Fiscal drag d. Automatic stabilizers. Give an example. e. Money multiplier

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One phase voltage of the 3-phase balanced Y-Y circuit shown in figure Q3, is given as \(V_{AN} = 380 \angle 0^\circ V\) and the impedance \(Z_a = Z_b = Z_c = (20 - j15) \Omega\) find the following: (i) The line voltages; (ii) the line currents; (iii) Active power per phase; (iv) Reactive power per phase; (v) Total power absorbed by the load in watts; (vi) Total apparent power supplied by the source.

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21. Shamrock is considering the replacement of a piece of equipment with a newer model. The following data has been collected: Old Equipment New Equipment Purchase price $252,000 $420,000 Accumulated depreciation $100,800 $0 Annual operating costs $336,000 $268,800 If the old equipment is replaced now, it can be sold for $67,200. Both the old equipment's remaining useful life and the new equipment's useful life are 5 years. For this question only, assume that six months ago Chung's equipment manager spent $33,600 refurbishing the old equipment. Additionally, the equipment manager has determined that the new equipment can be rented out during idle periods to generate $2,016 per year. Using this new information, what is the total cash flow associated with replacing the equipment? ($50,400) ($352,800) ($376,320) ($342,720) 22. Sheridan Company is considering the replacement of a piece of equipment with a newer model. The following data has been collected: Old Equipment New Equipment Purchase price $256,500 $427,500 Accumulated depreciation $102,600 $0 Annual operating costs $342,000 $273,600 If the old equipment is replaced now, it can be sold for $68,400. Both the old equipment's remaining useful life and the new equipment's useful life are 5 years. The company uses straight-line depreciation with a zero salvage value for all of its assets. For the 5-year period, what is the increase or decrease in net income associated with the new equipment? $102,600 $(85,500) $(17,100) $68,400 23. Concord Corporation is contemplating the replacement of an old machine with a new one. The following information has been gathered: Old Machine New Machine Price $370,000 $740,000 Accumulated Depreciation $111,000 $0 Remaining useful life 10 years 0 Useful life 0 10 years Annual operating costs $295,000 $222,000 If the old machine is replaced, it can be sold for $29,600. The company uses straight-line depreciation with a zero salvage value for all of its assets. The net advantage (disadvantage) of replacing the old machine is $(7,400) $(74,000) $19,600 $29,500

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write C++ program A software house is a company that builds and implements custom software solutions for its clients. Suppose you are working as programmer in some software house name Engineering Tech and client came to your software house to get the solution of his problem. His problem is he wants a calculation device in which same name function can perform all the arithmetic operations (*, /, +, -). Your CEO called you to complete the task, he assigned you the task to: a) Create a class calculation having a Pure Virtual function of the name cal ( ) b) You have to drive 4 classes from the parent class calculation c) Each derived class overrides the cal ( ) function d) Each cal ( ) function perform specific arithmetic operation on 2 data members in each derived class.

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Nov 9 8 7 6 5 4 3 2 1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 Select the values that make the inequality $-r \ge 4$ true. Then write an equivalent inequality, in terms of $r$. (Numbers written in order from least to greatest going across.) $-4.1$ $-5$ $-9$ $-3$ $-3.9$ $-4$ $1$ $0$ $-1$ $4$ $3.9$ $3$ $5$ $9$ $4.1$ Equivalent Inequality: $r$

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B. Use the sum and difference identities to evaluate the following: (3 points each) 1. $\sin\frac{11\pi}{12}$ 2. $\tan 345^{\circ}$ 3. $\sec \left(-\frac{17\pi}{6}\right)$

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