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An investment is expected to yield a return of 14% if economic conditions remain healthy, or improve. If a downturn occurs the expected return is just 4%. The probablility of an economic downturn is 0.25, whereas a continuation of current conditions, or an improved ecomomy, has a probability of 0.75. If the variance of the expected returns was calculated to be 9%, the coefficient of variation for the investment is ?
A farmer wants to fence o a rectangular ?eld and then divide the ?eld in half with a fence down the middle (see diagram below). If he can only aord 240 ft. of fencing material, what is the width y which gives the maximum area of the ?eld?
the equation f x 198,900 635,600 can be used to model the number of utility trucks under 6000 pounds that are sold each year in the u.s. with x 0 representing the year 1992.
Find the point of intersection of lines x = 2t+1, y = 3t+2, z = 4t+3 and x = s+2, y = 2s+4, z = -4s-1 and then find the plane determined by these lines.
That is, the next 10 feet will cost $125, the next 10 feet will cost $150, etc. How much will it cost to build a 90 foot tower?
The Gcf of two numbers is 10.If their product is 1500,find two numbers that satisfy the given conditions. How many pairs can you find?
A realty company has 100 homes listed for sale. Some of these homes have fireplaces, some have garages, and some have neither. A breakdown is provided in the two-way classification table below.
find the total distance from the given particle.the position of a particle at any time t gt 0 is given by xt t2 - 2
A company manufactures batteries in batches of 23 and there is a 3% rate of defects. Find the variance for the number of defects per batch.
find the diameter of the hole. round your answer to three decimal places.
He has invented a counter for his bike, which counts the number of revolutions the wheels make. One day the counter shows 330 revolutions. how far has billy cycled?
Compute the expected return and standard deviation for a portfolio formed between M and your choice in part (b). Then compute the weighted-average standard deviation of this portfolio and explain why the portfolio’s actual standard deviation is less ..
How many of the students surveyed took math, English or physics? How many students took none of the three subjects?
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