Answer:
a) The expected return of equally weighed portfolio is 14.23%
b) The expected return of equally weighed portfolio is 16.45%, hence Variance = 1.596457%
Explanation:
See workings of a and b attached in a form of spreadsheet.
On Monday and Tuesday, the process appears to be out of control.
<u>Explanation</u>:
- There are five days Monday, Tuesday,Wednesday, Thursday and Friday. Monday and Tuesday have weight up to 21. Wednesday weights up to 21.
- Thursday and Friday weigh up to 20. Except for Monday and Tuesday, all the days have packaged up to the value of 21. So Monday and Tuesday are the days that appear to be out of control.
- On checking the package for each day he came to know that Monday and Tuesday have process out of control.
Answer:
The advertiser should optimize the Clicks metric
Explanation:
Remember, we are told that the products are complex and require more detailed explanation than possible in the ads, so it implies improving the clicks metric (number of clicks per user) allows the advertiser to understand whether the users are interested in the ad or web page so as to adjust strategy accordingly.
Answer: c. Individuals who study music tend to be more intelligent.
Explanation:
The underlying assumption of the argument above is that the individuals who study music tend to be more intelligent.
This can be infered in the statement that "Generally, individuals that study music achieve more exceptional scores in subjects such as math and language arts". In this case, a connection was emphasized between academics and music.
<span>Retirement income for older women is about 55 percent of that for men. In the year 2009, 16 percent of single older men and 21 percent of single older women cut down under the poverty line. Among individuals aged 65, more than two times as many men as women have private pensions.</span>