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)
Answer: Lorenz curve
Explanation:
One of the main tools used by economists to measure the actual distribution of income in an economy is known as the Lorenz curve.
The Lorenz curve Lorenz curve is a graph that shows the inequality witybrwgrds to the income and wealth distribution for a particular economy. The x-axis on the graph shows the population, while the y-axis shows the wealth.
Answer:
Cash Debit $ 220
Subscriptions received in advance Credit $ 220
Explanation:
The most appropriate journal entry would be by debiting cash with $ 220 since cash has been received.
The credit account would be Subscriptions received in advance since the magazines have to be delivered in 2018 and the revenue has not been earned at the time of collections. This would be classified in the balance sheet under current liabilities.
Answer:
Having a savings account can contribute to your overall financial well-being by providing you with the security to expect the unexpected, allow you to invest when opportunities arise, provide you with the means to fulfill your dreams, and to give back to your community. I hope it will useful
Explanation:
Answer:
Explanation:
glass , wool , hair , silk , ebonite , rubber
On this series , material lower on the list acquires negative charge when rubbed with material on the upper end of the list.