98x2.1for one year to y

Q: The population, P, of the city of Hazelton has grown according to the mathematical model P =…

A:

Q: Given that the regression equations of Y on X and of X on Y are respectively Y about the origin is…

A:

Q: You are told that Land's End, a catalog retailer, earned an excess return (Jensen's alpha), in…

A: Let y denotes the quarterly excess return and x denotes market return. Then, a linear regression…

Q: Two equivalent forms of the Chain Rule for calculating the de-rivative of y = f(g(x)) are presented…

A: Given, if y=fx and u=gx then the derivative of their composition can be expressed as

Q: You are told that Land’s End, a catalog retailer, earned an excess return (Jensen’s alpha), in…

A: Answer is explained below

Q: A bacterial population B is known to have a growth rate proportional to B itself. If between 3pm and…

A:

Q: The U.S. Bureau of the Census prediction for the percentage of the population 65 years and older can…

A:

Q: The U.S. Bureau of the Census prediction for the percentage of the population 65 years and older can…

A:

Q: The Gini coefficient for the nation with Lorenz curve of income distribution f(x) = 0.2x³+0.3x²+0.5x…

A: Let's find.

Q: It is observed that a certain bacteria culture has a relative growth rate of 12% per hour, but in…

A:

Q: A bacterial population B is known to have a growth rate proportional to B itself. If between 3pm and…

A: we know that population growth formula A(t)=P0ekt where A(t) : population at time t P0 : initial…

Q: Suppose a Lorenz curve for a particular country is f(x)=x4 for 0≤x≤1. What is the Gini index of…

A: To compute the Gini index of the given Lorenz curve

Q: Find the equation of the normal line to the graph of f(x) = 2" log2 x at the point where x = 1.

A:

Q: In order to study the effects of World War II on a certain country's economy, an economist used data…

A: According to question given :Lorenz curves for the distribution of income in 1935 and 1947.f(x)=x2.9…

Q: Suppose that the Lorenz Curve for country A is given by yA = x 2.2 and for country B is yB = 0.3x 2…

A: Step:- 1 Gini index / coefficient Formula is Gi=∫01x dx-∫01f(x) dx1/2Here, ∫01x dx = 12= Area of y=x…

Q: A study shows that if the government implemented energy conservation measures in 2009, the country's…

A:

Q: Suppose X1 and X2 are iid observations from the pdf f(x]a) = ax°-le-",x > 0, a > 0. Show that (log…

A: see the attachment.

Q: 5. Find the equation of the normal line to the curve y=x-2x+6 at the point (0,6).

A:

Q: The U.S. Bureau of the Census prediction for the percentage of the population 65 years and older can…

A:

Q: Based on a study, the Lorenz curves for the distribution of incomes for bankers and actuaries are…

A: Given: Lorenz curve for the distribution of incomes for bankers, fx=110x+910x3. Lorenz curve for…

Q: The percentage of men age 65 years and older in the workforce from 1950 (t = 0) through 2000 (t =…

A:

Q: A bacterial population B is known to have a rate of growth proportional to B itself. If between noon…

A: We will use the exponential growth equation of bacteria .

Q: 2. It is estimated that t months from now, the population of a certain town will be changing at the…

A:

Q: The Lorenz curves for the income distribution in the United States for all races for 2015 and for…

A:

Q: Prove that the logistic regression curve (5.1) has the steepest slope where 7 (x) = Generalize to…

A: Please upload whole question

Q: What are the critical points of Cobb-Douglas production function  q=K^0.2L^0.6 subject to…

A: First nwe have to change the required equation from 2 variables to a single variable.

Q: In a community in which R elderly people and people with comorbidities are susceptible to a…

A: To determine the percent of susceptible that had been infected after 6 weeks.

Q: Solve the following problems. Suppose COVID-19, a pandemic that spread worldwide has infected 40,000…

A: Given: The number of infected people on August 2020  = 40,000 The people getting infected every day…

Q: 9. If the coefficient of correlation between two variables x and y is 0.5 and the acute angle…

A:

Q: Two Models estimaled rates of Country over the period 1970- 2002 are MODEL 1:- 66.98-2-764DP-8.98CPI…

A: From the given information, Both model can be expressed with all required information: Model 1:…

Q: In order to study the effects of World War II on a certain country's economy, an economist used data…

A: Given fx=x2.3 Lorenz curve for 1935fx=x1.6 Lorenz curve for 1947

Q: Suppose that n observations are chosen at random from a continuous pdf fY(y).  What is the…

A:

Q: Suppose a Lorenz curve for a particular country is f(x)=x6 for 0≤x≤1. What is the Gini index of…

A: The Lorenz curve of a particular country is given as

Q: What is the dirac delta "spike" function defined as?

A: Definition of Direct delta function:- The direct delta is defined as δ(x)=∞        if   x=00…

Q: 9) Suppose that the total cost of manufacturing x units of a certain commodity is C (x) = 2x2 + 6x +…

A: Given function is as below : c(x) = 2x2+6x+12marginal cost c'(x) =ddx2x2+6x+12…

Q: Suppose you estimate the following results: hourly_wage=5.5 +0.50edu + 0.10exper+ 0.10(edu*exper)…

A: Given: The regression equation is as follows hourly_wage=5.5+0.5edu+0.10exper+0.10×edu*exper edu =16…

Q: according to the following differential piece rate of scale  1-25 chairs in a week, $10 each ;…

A:

Q: QUESTION 2 Estimate the value of V80.9 + V80.9 using differentials.

A: To evaluate : 80.94 +180.94 Let f(x) = x14 Now, we can write 80.9 = 81- 0.1 Take x=81, ∆x=-0.1

Q: 9. From 1975 to 2009, the age-adjusted incidence rate of invasive lung and bronchial cancer among…

A:

Q: 2) Show that X₁ = Xo {1+¹*exp(-)} -DC₁ = v(C₁-Cs). satisfies the steady state growth concentration…

A: Given  -DCL'=vCL-CS

Q: Show that the two functions n = Ae" (interest compounding) and y2 = Ae (discounting) are mirror…

A: Mirror image w.r.t y axis: If f(x) is a function then its reflection about y-axis is given as f(-x).…

Q: Jesaki Inc will sell N units of product after spending $a thousand in advertising, as given by N=71…

A: Take the derivative both sides and substitute the values then simplify.

Q: When we take measurements of the same general type, a power law of the form y = ax often gives an…

A: (b)   Given that X´=log(X) and Y´=log(Y)   X Y X´ Y´ 2 1.81 0.30103 0.257679…

Q: A sample of 30 people showed that 25 expressed at some point in their life, they were ashamed of…

A: Given that, A sample of 30 people showed that 25 expressed at some point in their life, they were…

Q: (4) Consider the constant rate of decrease of a certain microorganism. At the start, there are…

A: We have to find the number of microorganisms that will be there after 45 seconds.

Q: 4. At what point on the y-axis will the normal line at x = 1 of the function f(x) = vx intersect?

A: Note: As per our guidelines we are supposed to answer only one question if there are multiple…

Q: Find the linearization of ƒ(x) = log3 x at x = 3. Then round its coefficients to two decimal places.

A: Given: f(x)=log3(x) at x=3

Q: A particular specie of animal has a carrying capacity of K and a growth rate of r. From an initial…

A: please comment if you need clarification. if you find my answer useful put thumbs up. Thank you.

Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.