# Posts by Robson

Total # Posts: 13

**Probability**

1) A group of students were asked about their itunes collection. The probability that a student had downloaded the album by group X was 33%. The probability that a student downloaded the album by group Y was 41%. However, if you only asked the students that downloaded the X ...

**Int. Macro**

Suppose the nation’s capital stock is equal to 3200 in 2011 and that a rise in the marginal product of capital raises the desired capital stock to 3800 in 2012. Suppose also that the desired capital stock remains at 3800 in subsequent years. Assume also that net ...

**Int. Macro**

Can some just point into the right direction on how to solve this? 1. Suppose you live four periods and earn income of $30,000, $60,000, and $90,000 in the first three periods, and then retire in the fourth period. Assume the interest rate is 0. a. Suppose you want to consume ...

**Principle of Finance**

How do I calculate profit margin with the following data? Total equity - 639,400 Net incoome - 51,700 Debt equity ratio - .55 Total asset turnover - 2 Thanks!

**macroeconomics**

Can someone point me in the right direction on how to solve this? 1. Suppose you have an economy with two factors of production (capital and labor), and suppose that capital's share of national income is 40% and that labor's share is 60%. Assume also that the annual ...

**Macroeconomics**

Can someone point me in the right direction on how to solve this? 1. Suppose you have an economy with two factors of production (capital and labor), and suppose that capital's share of national income is 40% and that labor's share is 60%. Assume also that the annual ...

**Microeconomics**

When you golf, you receive 18 units of pleasure from the first hole and on each hole thereafter your pleasure drops by one unit, so that the 2nd hole gives you 17 units of pleasure etc. If you play 5 holes and the rain hits so that you quit playing, what is the total pleasure...

**Binomial Probability**

Never mind. got it. c(20,0) .08 = .1887

**Binomial Probability**

This is an example that I am trying to work along with. An endurance context is being held with two independent groups in 20 participants. Individual participants in the contest drop out before the end of the contest with probability 0.08 (independently of other participants...

**Finite Math - Simplex Method**

I think I have a good understanding of how to set up the problems but and solve them but I am not constant yet with getting the correct answer. Is there a way to check the answer? I am doing an online math class and it would be nice if I could check before I commit. Thanks

**Finte Math - Simplex Method**

duh!!! just figured it out. dived 32/2 and 84/4, largest is the pivot point.

**Finte Math - Simplex Method**

Just a few questions to make sure I am understanding the simplex method. First you set up matrice, then you find the column with the largest negative number in bottom row. That is the column you will pivot. So then how do you determine which row is the pivot point? My example ...

**Calculus**

Find the derivative. 11) f(t)=(1)/(sqrt(8t-3)) 12) g(t)= ((4t-3)^2)/ ((5t+1)^4) Thanks.