Pls help quick! I am not sure if i did this right

WLS involves multiplying observation i by 1/ h_i, the WLS method will be viable without any further adjustments, this statement is True.

To use Weighted Least Squares (WLS) for estimating the Linear Probability Model (LPM) the steps are:

Step 1: Estimate the model using OLS and obtain the residuals, u_i.

Step 2: Determine whether all of the P(y|x1,x2) are inside the unit interval. If so, proceed to step 3. If not, adjust them so that all values fit inside the unit interval.

Step 3: Construct the estimated variance h_i = p(x_i) (1 - p(x_i)).

Step 4: Estimate the original model with weights equal to 1/ h_i.

Thus, the correct answer is True.

Suppose, for some i, y^i = −2.

Although WLS involves multiplying observation i by 1/ h_i, the WLS method will be viable without any further adjustments, this statement is True.

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Answer-

1. 1 + 2 + 3 + 20 = 26

2. 1 + 2 + 5 + 20 = 28

3. 1 + 2 + 6 + 12 = 21

4. 1 + 2 + 6 + 20 = 29

5. 1 + 2 + 10 + 12 = 25

6. 1 + 2 + 10 + 20 = 33

7. 1 + 3 + 5 + 12 = 21

8. 1 + 3 + 5 + 20 = 29

9. 1 + 3 + 6 + 12 = 22

10. 1 + 3 + 6 + 20 = 30

11. 1 + 3 + 10 + 12 = 26

12. 1 + 3 + 10 + 20 = 34

13. 1 + 5 + 6 + 10 = 22

14. 1 + 5 + 6 + 12 = 24

15. 1 + 5 + 6 + 20 = 32

16. 1 + 5 + 10 + 12 = 28

17. 1 + 6 + 10 + 12 = 29

18. 2 + 3 + 5 + 12 = 22

19. 2 + 3 + 5 + 20 = 30

20. 2 + 3 + 6 + 10 = 21

21. 2 + 3 + 6 + 12 = 23

22. 2 + 3 + 6 + 20 = 31

23. 2 + 3 + 10 + 12 = 27

24. 2 + 5 + 6 + 10 = 23

25. 2 + 5 + 6 + 12 = 25

26. 2 + 5 + 6 + 20 = 33

27. 2 + 5 + 10 + 12 = 29

28. 2 + 6 + 10 + 12 = 30

29. 3 + 5 + 6 + 10 = 24

30. 3 + 5 + 6 + 12 = 26

31. 3 + 5 + 6 + 20 = 34

32. 3 + 5 + 10 + 12 = 30

33. 3 + 6 + 10 + 12 = 31

34. 5 + 6 + 10 + 12 = 33

Answer: 1,250,000

Step-by-step explanation:

The derivative of x²(x-1)/x using the Product Rule is 2x - 1, and using the Quotient Rule is also 2x - 1.

The first approach involves simplifying the expression to x(x-1) and using the Product Rule to differentiate each term separately. Applying the rule, we obtained the derivative 2x - 1. The second approach used the Quotient Rule directly.

We identified f(x) = x²(x-1) and g(x) = x, differentiated them to find f'(x) and g'(x), and applied the Quotient Rule formula. Simplifying the expression, we obtained the same derivative, 2x - 1.

Both methods yield the same result, confirming the correctness of the derivative calculation. Thus, the derivative of x²(x-1)/x is 2x - 1.


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The values of a, b, c, and the critical and inflection points, we can plot the graph by considering the shape and behavior of the polynomial function.

To sketch a graph with specific characteristics, such as 4 roots, 6 critical points, and 6 inflection points, we need to consider a higher degree polynomial function. Let's construct a polynomial function that satisfies these requirements.

To have a single root, we can use a linear factor, (x - a). To have double roots, we can use a quadratic factor, (x - b)^2. And for a triple root, we can use a cubic factor, (x - c)^3.

Considering these factors, let's construct a polynomial function:

f(x) = (x - a)(x - b)^2(x - c)^3

To have 4 roots, we need to choose appropriate values for a, b, and c.

To have 6 critical points, we can set the derivative of f(x) equal to zero and solve for x. The number of critical points corresponds to the number of distinct solutions.

f'(x) = 0

Expanding and solving for x, we'll obtain 6 values for x that correspond to the critical points.

To have 6 inflection points, we can set the second derivative of f(x) equal to zero and solve for x. The number of inflection points corresponds to the number of distinct solutions.

f''(x) = 0

Expanding and solving for x, we'll obtain 6 values for x that correspond to the inflection points.

After determining the values of a, b, c, and the critical and inflection points, we can plot the graph by considering the shape and behavior of the polynomial function.

Please note that without specific values for a, b, and c, it's not possible to provide an exact graph. The process described above is a general approach to construct a graph with the given characteristics.

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Answer:

Step-by-step explanation:

The five values for a data set are: minimum = 0 lower quartile = 2 median = 3. 5 upper quartile = 5 maximum = 10 Bruno created the box plot using the five values. Bruno made error. The left whisker should go from 0 to 2.

Quartiles is a type of quartile that divides data into four parts with approximately the same number. The first quartile or lower quartile (Q1) is the middle value between the smallest value and the median of the data group. The first quartile is a marker that the data in that quartile is 25% below the data group.

The second quartile (Q2) is the median data which marks 50% of the data (dividing the data in half). The third or upper quartile (Q3) is the middle value between the median and the highest value of the data set. The third quartile is a marker that the data in that quartile is 75% below the data group. Quartiles are a form of an ordered statistic because to determine quartiles, data needs to be sorted from smallest to largest value first.

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Answer:

From the graph

\(x=1\)

\(y=0\)

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hope it helps...

have a great day

Answer:

d

Step-by-step explanation:

only a scalence triangle has all sides with different length

According to the given statement If each can sold in accounted for as to its cost Last in first out.

The average is determined by adding together all of the numbers as well as dividing the total by the total number of figures provided. It represents the midpoint of the supplied data set. The numerical number that may display a lot of facts is the average value. We constantly encounter the average computation in our daily lives.

The four sorts of average that we recognize are mean, mode, median, and range. Although the others are our most popular "measures of central tendency," range is actually a measure of spread or dispersion.

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Answer:

first angle is 95

second angle is 95

third angle is 95

the sum of angle in a quadrilateral is 360

therefore 95+95+95°=285

to get the fourth angle=360-285=75

therefore the fourth angle is 75°

Answer:

2^16 or 65,536

Step-by-step explanation:

First, you'll find the answers to 2^6 and 2^10

2^6=64 while 2^10=1024, then you multiply 1024 by 64 which gives you 65,536.

**or, the easier way is to just add the two exponents together since you see that the bases are the same.

Answer:

16x<-2

Step-by-step explanation:

Answer:

10ths Place (Decimal)

Step-by-step explanation:

Whole numbers:

The 1 in 19.54 is in the tens place.

The 9 is in the ones place.

Decimals:

The 5 is in the tenths place.

The 4 is in the hundredths place.

Answer:

look below for your answer

Step-by-step explanation:

5 is in the tenth column

i hope i helped you

please mark my answer as brainliest

The EPV of a life annuity due for someone aged x+1 ≈ 0.1797.

To calculate the EPV (Expected Present Value) of a life annuity due for someone aged x+1, we can use the formula:

ax+1 = ax * (1 - px) * (1 + i)

Where:

ax is the EPV of a life annuity due for someone aged x

px is the survival probability for someone aged x

i is the effective interest rate per year

We have:

ax = 12.32

px = 0.986

i = 4% = 0.04

Substituting the provided values into the formula, we have:

ax+1 = 12.32 * (1 - 0.986) * (1 + 0.04)

ax+1 = 12.32 * (0.014) * (1.04)

ax+1 = 0.172 * 1.04

ax+1 ≈ 0.1797

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A regression model can only predict values that are lower or higher than the actual value. As a result, the only way to determine the model's accuracy is through residuals.

What is regression ?

Regression is a statistical technique used in the fields of finance, investing, and other disciplines that aims to establish the nature and strength of the relationship between a single dependent variable (often represented by Y) and a number of independent variables (known as independent variables).

The most popular variation of this method is linear regression, which is also known as simple regression or ordinary least squares (OLS).

Based on a line of best fit, linear regression determines the linear relationship between two variables.

The slope of a straight line used to represent linear regression thus indicates how changing one variable affects changing another..

In a linear regression connection, the value of one variable when the value of the other is zero is represented by the y-intercept. Regression without linearity.

Hence, A regression model can only predict values that are lower or higher than the actual value.

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The distance around the circle is called circumference.

What is circle?

A circle is a closed two-dimensional figure in which the set of all the points in the plane is equidistant from a given point called “centre”. Every line that passes through the circle forms the line of reflection symmetry.

Also, it has rotational symmetry around the Centre for every angle.

The circumference of a circle is defined as the

distance around the circle. The word ‘perimeter’

is also sometimes used, although this usually

refers to the distance around polygons, figures made up of the straight line segment.

A circle circumference formula is given by

 C = πd = 2 π r

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Therefore, In the figure, a∥b  angle m∠7 = 34° .

An angle is a figure in Euclidean geometry made up of two rays that share a vertex, or common terminus, and are referred to as the sides of the angle. Angles of two rays lie in the plane containing the rays. Angles can also result from the intersection of two planes. Dihedral angles are the name given to them.

Here,

Given that a and b are parallel lines,

∠3 and ∠7  are corresponding angles and congruent

m∠3 = 34°

thus ,m∠7 =m∠3 = 34°

so, m∠7 = 34°

Therefore, In the figure, a∥b  m∠7 = 34° .

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The z-score corresponding to Anastasia's test score is -0.5. This indicates that her score is 0.5 standard deviations below the mean.

To calculate the z-score corresponding to Anastasia's test score of 110, we can use the formula:

z = (x - mean) / standard deviation

where x is Anastasia's score, mean is the mean of the test scores (120), and standard deviation is the standard deviation of the test scores (20).

Substituting the values into the formula, we get:

z = (110 - 120) / 20 = -0.5

Therefore, the z-score corresponding to Anastasia's test score is -0.5. This indicates that her score is 0.5 standard deviations below the mean. A negative z-score implies that her score is below the mean, while a positive z-score would indicate a score above the mean. In this case, Anastasia's z-score of -0.5 suggests that her score is below average relative to the distribution of scores on the standardized test.

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The tangent of angle ∠a can be determined using the given side lengths of a right triangle.Hence The correct answer is c) 5/12.

In a right triangle, the tangent of an angle is defined as the ratio of the length of the side opposite the angle to the length of the side adjacent to the angle. In this case, we are given the side lengths 5 and 12. The side opposite angle ∠a is 5, and the side adjacent to ∠a is 12. Therefore, the tangent of ∠a is given by the ratio 5/12.

To further understand this, we can consider the trigonometric definition of the tangent function. The tangent of an angle ∠a is equal to the ratio of the sine of ∠a to the cosine of ∠a. Using the given side lengths, we can find the sine and cosine of ∠a. The sine of ∠a is given by the ratio of the side opposite ∠a (5) to the hypotenuse (13) of the triangle, which is 5/13. The cosine of ∠a is given by the ratio of the side adjacent to ∠a (12) to the hypotenuse (13), which is 12/13. Therefore, the tangent of ∠a is (5/13)/(12/13), which simplifies to 5/12. Hence, the correct answer is c) 5/12.

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Answer:

A 500 grain arrow moving at 260 fps has a kinetic energy of 75.04 ft-lbs and a momentum of . 577 slugs*. A 700 grain arrow moving at 175 fps has a kinetic energy of 47.59 ft-lbs and a momentum of . 544 slugs*.

In seven years, the student population at the Brentwood Student Center will be approximately 4,174.

Using the given terms, the current student population at the Brentwood Student Center is 2,500 and the enrollment increases at a rate of 6% each year. To find the student population closest to seven years from now, we'll use the formula for exponential growth:

Future Population = Current Population × (1 + Growth Rate)^Number of Years

In this case, the future population will be:

Future Population = 2,500 × (1 + 0.06)^7

After calculating, we get:

Future Population ≈ 4,174

So, to the nearest whole number, the student population at the Brentwood Student Center will be approximately 4,174  in seven years.

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Answer:

4. Buffalo

Step-by-step explanation:

because it's negatives (with temperature) the bigger the number, the colder it is.

Answer:

V = 192 m3

Step-by-step explanation:

Answer:

The number of dogs in the shelter compared to the number of dogs in the shelter.

Step-by-step explanation:

Answer:

The number of dogs in the shelter compared to the number of dogs in the shelter.

Step-by-step explanation:

I took the test

The other two equations, x = \(2^{-y}\) and x = -(\(2^{y}\)), do not represent the same function as y = (log)_½ x. They represent different equations with different properties and behaviors.

The equation y = (log)_½ x represents a logarithmic function with base ½. This function describes the exponent to which the base ½ must be raised to obtain the value of x.

The equation x = \(2^{y}\), on the other hand, represents an exponential function with base 2. This function describes the value of x as 2 raised to the power of y.

These two equations represent inverse functions of each other. By interchanging the roles of x and y, the equation y = (log)_½ x can be rewritten as x = \(2^{y}\). This means that for any value of y, if we substitute it into x = \(2^{y}\), we will obtain the corresponding value of x that satisfies the original equation y = (log)_½ x.

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Answer:

➢ Calculating Area of Sector :-

\( \sf \longrightarrow \: Area \: of \: Sector \: = \frac{ \theta \: }{360 \degree \: } \times \pi \: {r}^{2} \\ \)

\( \sf \longrightarrow \: Area \: of \: Sector \: = \frac{ 80 \: }{360 \degree \: } \times \frac{22}{7} \times\: {5}^{2} \\ \)

\( \sf \longrightarrow \: Area \: of \: Sector \: = \frac{ 8 \: }{36 \degree \: } \times \frac{22}{7} \times \: 5 \times 5 \\ \)

\( \sf \longrightarrow \: Area \: of \: Sector \: = \frac{ 8 \: }{36 \degree \: } \times \frac{22}{7} \times\: 25 \\ \)

\( \sf \longrightarrow \: Area \: of \: Sector \: = \frac{ 4 \: }{18 \degree \: } \times \frac{22}{7} \times \: 25 \\ \)

\( \sf \longrightarrow \: Area \: of \: Sector \: = \frac{ 2\: }{9 \degree \: } \times \frac{22}{7} \: \times 25 \\ \)

\( \sf \longrightarrow \: Area \: of \: Sector \: = \frac{ 2 \times 22 \times 25\: }{9 \times 7 \: } \\ \)

\( \sf \longrightarrow \: Area \: of \: Sector \: = \frac{ 44 \times 25\: }{9 \times 7 \: } \\ \)

\( \sf \longrightarrow \: Area \: of \: Sector \: = \frac{ 1100\: }{63 \: } \\ \)

\( \sf \longrightarrow \: Area \: of \: Sector \: = 17.5 \: \: {m}^{2} \\ \)

____________________________

Option D :- 17.5 m²

Only one singlet is expected in the 1H NMR spectrum of 2,2,4,4-tetramethylpentane. So, correct option is A.

In the 1H NMR spectrum, the number of singlets corresponds to the number of unique hydrogen environments in the molecule. Each unique hydrogen environment, where the hydrogens are chemically equivalent, will produce a singlet peak.

In 2,2,4,4-tetramethylpentane, all the carbons are identical, and each carbon is bonded to three hydrogen atoms. The four methyl groups (-CH3) are also chemically equivalent to each other. Therefore, all the hydrogens in this molecule are in equivalent environments, and there are no differences between them.

Since all the hydrogens are chemically equivalent, they will produce a single peak in the 1H NMR spectrum. This single peak is called a singlet.

Hence, the correct answer is option a, as only one singlet is expected in the 1H NMR spectrum of 2,2,4,4-tetramethylpentane.

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Answer: Two singlets.

Step-by-step explanation:

The methyl groups are all equivalent with no neighbors, so they all give rise to only 1 peak.

There is a methylene group that gives rise to another peak.

So the total is 2 singlets.

Answer:

11

Step-by-step explanation:

Answer:11

Step-by-step explanation:

because you have to create the equation and solve