Answer:
A) The expected return for the market is 13.5 and stock is 11.6.
B) The standard deviation of the market is 3.85 and stock is 6.22.
Explanation:

![\\B. \text{The formula for variance.}\\\sigma ^2 = Var(X) \\= \sum x^2 P(x)- \mu^2 \\Standard \ deviation, \sigma = \sqrt{\sigma ^2} \\\text{Vraince from market.} \\\sigma _m ^2 = \left [ (15)^2 (0.3) + (9)^2 (0.4) + (18)^2 (0.3) \right ] - (13.5)^2 \\= 167.1 - 182.25 \\= 14.85 \\](https://tex.z-dn.net/?f=%5C%5CB.%20%5Ctext%7BThe%20formula%20for%20variance.%7D%5C%5C%5Csigma%20%5E2%20%3D%20Var%28X%29%20%5C%5C%3D%20%5Csum%20x%5E2%20P%28x%29-%20%5Cmu%5E2%20%5C%5CStandard%20%5C%20deviation%2C%20%5Csigma%20%3D%20%5Csqrt%7B%5Csigma%20%5E2%7D%20%5C%5C%5Ctext%7BVraince%20from%20market.%7D%20%5C%5C%5Csigma%20_m%20%5E2%20%3D%20%5Cleft%20%5B%20%2815%29%5E2%20%280.3%29%20%2B%20%289%29%5E2%20%280.4%29%20%2B%20%2818%29%5E2%20%280.3%29%20%5Cright%20%5D%20-%20%2813.5%29%5E2%20%5C%5C%3D%20167.1%20-%20182.25%20%5C%5C%3D%2014.85%20%5C%5C)
![Standard \ deviation = \sqrt{14.85} \\= 3.85357 \\\text{Variance of stock J.} \\\sigma _j ^2 = \left [ (20)^2 (0.3) + (5)^2 (0.4) + (12)^2 (0.3) \right ] - (11.6)^2 \\= 173.2 - 134.56 \\= 38.64 \\Standard \ deviation \ of \ stock \ J = \sqrt{38.64} \\= 6.216108 \\= 6.22](https://tex.z-dn.net/?f=Standard%20%5C%20deviation%20%3D%20%5Csqrt%7B14.85%7D%20%5C%5C%3D%203.85357%20%5C%5C%5Ctext%7BVariance%20of%20stock%20J.%7D%20%5C%5C%5Csigma%20_j%20%5E2%20%3D%20%5Cleft%20%5B%20%2820%29%5E2%20%280.3%29%20%2B%20%285%29%5E2%20%280.4%29%20%2B%20%2812%29%5E2%20%280.3%29%20%5Cright%20%5D%20-%20%2811.6%29%5E2%20%5C%5C%3D%20173.2%20-%20134.56%20%5C%5C%3D%2038.64%20%5C%5CStandard%20%5C%20deviation%20%5C%20of%20%5C%20stock%20%5C%20J%20%3D%20%5Csqrt%7B38.64%7D%20%5C%5C%3D%206.216108%20%5C%5C%3D%206.22)
A tax change that might impact U.S. economic output is most closely associated with the study of macroeconomics.
<h3>What do you mean by
macroeconomics?</h3>
Macroeconomics is the study of how economies function, including changes in the balance of payments, inflation, interest and foreign exchange rates, and economic production. Only with a solid monetary and fiscal policy are poverty alleviation, social equality, and sustainable growth conceivable.
Maximizing the standard of living and achieving steady economic growth are the overarching objectives of macroeconomics.
Functioning of an Economy, Formulation of Economic Policies, Understanding Macroeconomics, Understanding and Controlling Economic Fluctuations, Inflation and Deflation, Study of National Income, Study of Economic Development, Study of an Economy's Performance, and Nature of Material Welfare are all important aspects of macroeconomics.
To know more about Macroeconomics refer to: brainly.com/question/13120341
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Answer:
A. $6,400
B. $240
C. $1,000,000
D. $30,000
Explanation:
Requirement A, C, and D:
Prizes and awards are taxable income for a taxpayer. Any awards or prizes won from the lottery or television should be added to the income. Therefore, the Winning lottery is a taxable income for Kerry, $1,000,000. Again, Receiving the award for scientific research is also taxable income for Deborah, $30,000.
The winning award for accomplishments is also a taxable income. So, receiving a $6,400 worth gift bag is a taxable income for Cheline.
Requirement B:
There is an exception if the award is for tangible property and a long-years of accomplishment. At that time, the taxpayers will be excluded from some part of the necessary amounts to be paid as tax. If it is not a qualified award, the exclusion will be $400. If it is qualified, the tax exclusion is 1,600. Since Jon received a gold watch for 25 years of service and the gift is not qualified, he has to pay tax for $(660 - 400) = $240.
Answer:
fetching and holding materials
moving materials between work areas
keeping records
cleaning machinery
Explanation:
These are correct on edge