##### Need help with R coding x <- matrix(rnorm(2000, 20, 5),nrow=100) xbar20 <- rowMeans(x) UL <- xbar20+qnorm(.90)*5/sqrt(20)...
Need help with R coding x <- matrix(rnorm(2000, 20, 5),nrow=100) xbar20 <- rowMeans(x) UL <- xbar20+qnorm(.90)*5/sqrt(20) LL <- xbar20-qnorm(.90)*5/sqrt(20) cover<-sum(UL>20 & LL<20)/100 this code finds coverage for an 80% confidence interval, change the code for a 90 and 95...
##### Question [3]: Derive the Hicksian demand function for 1. (Cobb-Douglas) u(x) = 24 m-a; a €...
Question [3]: Derive the Hicksian demand function for 1. (Cobb-Douglas) u(x) = 24 m-a; a € (0,1). 2. (Leontief) u(x) = min{aT1, X2}, a > 0. 3. (perfect substitute) (2) = ax1 +22; a > 0...
##### 1. [20 pts) For the shaded area shown to the right: a. Determine the x and...
1. [20 pts) For the shaded area shown to the right: a. Determine the x and y coordinates of the centroid of the shaded area. 24mm -R 10mm -R 6mm...
##### Assume that Corn Co. sold 7,900 units of Product A and 2,100 units of Product B...
Assume that Corn Co. sold 7,900 units of Product A and 2,100 units of Product B during the past year. The unit contribution margins for Products A and B are $26 and$60, respectively. Corn has fixed costs of \$311,000. The break-even point in units is a. 14,077 units b. 7,508 units c. 11,261 units d....
##### A charge, q​1​​=22.2 nC is located at the origin (x = 0, y = 0), a...
A charge, q​1​​=22.2 nC is located at the origin (x = 0, y = 0), a second charge, q​2​​= −111 nC is located on the x-axis at (x=4 m,y=0 m), and a third charge, q​3​​= 30.9 nC is located on the y-axis at (x=0 m, y=4 m). Calculate the magnitu...
##### 7. Let Xbe a discrete random variable with probability mass function: f(x) c , x 0,1,2,3,...
7. Let Xbe a discrete random variable with probability mass function: f(x) c , x 0,1,2,3, 4 (a) Find the constant c. (b) Find the moment generating function of X. (c) Find EX based on the result of part (b)...
##### Prepare and execute each of the queries listed using the "Adventureworks2012" database in SQL: Server: http://msftdbprodsamples.codeplex.com/releases/view/93587...
Prepare and execute each of the queries listed using the "Adventureworks2012" database in SQL: Server: http://msftdbprodsamples.codeplex.com/releases/view/93587 When all of your queries are complete, cut and paste the SQL Syntax into a word document. In order to see what the column names are...
##### Onciliation P5.5 The bookkeeper who has worked for a small hotel for more than 30 years...
onciliation P5.5 The bookkeeper who has worked for a small hotel for more than 30 years is retiring. Because he was such a reliable employee, he was given more and more responsibility over the years and did virtually all of the work, such as keeping all the accounting records, approving invoices for...
##### What does it mean if the mean and median of a data set differ greatly?
What does it mean if the mean and median of a data set differ greatly?...
##### 2. Write a script that implements the following design: In the Downloads table, the user_id and...
2. Write a script that implements the following design: In the Downloads table, the user_id and product_id columns are the foreign keys. Create these tables in the ex schema. Create the sequences for the user_id, download_id, and product_id columns. Include a PL/SQL script to drop the table or seque...
##### Find equation V(t) for the graph provided fo02 B: X-Axis is 20噐and Y-Axis is l V...
Find equation V(t) for the graph provided fo02 B: X-Axis is 20噐and Y-Axis is l V (t) sec div Vdc C: X-Axis is 0.5 V(t) msec and Y-Axis is 0.2 div...
##### What is f(x) = int (x^2+x)/((x+3)(x+4) ) dx if f(-2)=2 ?
What is f(x) = int (x^2+x)/((x+3)(x+4) ) dx if f(-2)=2 ?...
##### 06) Find the Thevenin equivalent circuit at terminal a-b Let V1-50<300V , XL>J20 Ω, Xc-*)10 Ω,...
06) Find the Thevenin equivalent circuit at terminal a-b Let V1-50<300V , XL>J20 Ω, Xc-*)10 Ω, and R1-10 Ω for the following circuit. R1 ZTH- V1 (...