Questions asked
(a) A university admits 600 students and expects 60 percent to accept their offers. Give the 95-percent interval for the university's yield rate. (b) 10000 people are infected with a certain flu virus. The expected duration of symptoms is 10 days, with standard deviation 5 days. Give the 95-percent interval for average duration.
Which of the following are the thick filaments in a muscle cell? A. Actin B. Myosin C. Myofibrils D. Sarcomere
Fred, the founder and CEO of WonderCo, recently passed away. At his death, Fred owned 80% of the stock of WonderCo and was still actively involved in the business; and the WonderCo stock was his only asset. WonderCo is not a publicly traded company. Which of the following discounts would be applicable to Fred’s WonderCo stock? Fred, the founder and CEO of WonderCo, recently passed away. At his death, Fred owned 80% of the stock of WonderCo and was still actively involved in the business; and the WonderCo stock was his only asset. WonderCo is not a publicly traded company. Which of the following discounts would be applicable to Fred’s WonderCo stock? Both a and b. Neither a nor b. Key Person Discount. Minority Discount.
1. Suppose that you have the opportunity to buy stock in AT\&T and Microsoft. \begin{tabular}{|c||c|c|} \hline & AT\&T & Microsoft \\ \hline \hline Mean & 0.15 & 0.18 \\ \hline Variance & 0.015 & 0.035 \\ \hline \end{tabular} (a) What is the expected return of a portfolio whose weight on AT\&T is 0.6 and weight on Microsoft is 0.4 ? (b) Assume the correlation between the two stocks is 0.4 . What is the variance of the portfolio? (c) Now assume that the correlation between AT\&T and Microsoft is -1 . Find the weights of the two stocks that produce a minimum risk portfolio. What is the variance of this portfolio?
expected profits? 6) A random variable X is said to have a Pareto distribution with parameters $a > 0$ and $b > 0$ if its pdf is given by: $\begin{equation*} f(x) = \begin{cases} \frac{ab^a}{x^{a+1}} & \text{if } x \ge b,\\ 0 & \text{otherwise.}\\ \end{cases} \end{equation*}$ Assume for parts a)-c) below that $a > 2$. a) What is the cdf of X? b) What is $E[X]$? c) What is $Var[X]$? d) Harder: Do your answers to b) and c) change if $a \le 2$? What about if $a \le 1$? If so, why?
Question 8 (1.5 points) The attempt to disprove a hypothesis is accomplished by which of the following tasks? conducting experiments making initial observations proposing a theory making an educated guess
There are more laws on the books than ever before, and more crimes are being committed than ever before. Therefore, to reduce crime, we must eliminate the laws. Select one: a. Either/Or b. Equivocation c. Abusive d. Appeal to Authority/False Authority e. Begging the Question f. Appeal to Tradition g. Hasty Generalization h. Non-Sequitar i. Bandwagon/Ad Populum j. Appeal to Pity k. Plain Folks l. Slippery Slope m. Red Herring n. False Clause/Post Hoc
Business Mathematics (Promissory Notes) Question: On 12 January 2021, Kristy received a 180-day, 12% interest-bearing note for RM1,800. On 21 April 2021, she discounts the note at City Bank and receives proceeds of RM1,869.84. On the same date, she invests the proceeds in Town Bank for a period equivalent to the term of discount of the note. (a) Suppose that the amount she withdraws from Town Bank is equal to the maturity value of the note. Find the simple interest rate offered by Town Bank. (b) Find the profits made by City Bank at the maturity date of the note.
Calculate $L_6$ for $f(x) = \sqrt{5x + 2}$ over $[1, 3]$. (Give your answer to three decimal places.) 6.619 $L_6 \approx$ Incorrect
g) CH3 CH3 H3C CH3 CH3 Draw the following structures h) 2,2,3-trimethyl-butane i) 3-ethyl-2,2-dimethyl-hexan j) 2,3,4,5,6,7-hexamethyl-octane k) 2,6-dimethyl-3,5-diethyl-4-isopropylheptane 1) 3-ethyl-1,1-dimethylcycloheptane Draw the compound here
