Suppose that a certain college class contains 49 students. Of these, 30 are freshmen,22 are psychology majors, and 6 are neither. A student is selected at random from the class. (a) What is the probability that the student is both a freshman and a psychology major? (b) Given that the student selected is a psychology major, what is the probability that she is also a freshman? Write your responses as fractions.

Replicate measurements of a sample made by a single technique that is compared with an accepted value and the confidence level describes the analytical techniques. Thus, option A is correct.

Repetition measurements are made during the same experimental run or across several runs, whereas duplicate measurements are made during identical but distinct experimental runs. Replica measurements are response measurements carried out at the same set of factor values.

The size of the confidence level depends upon the value we identify on the population parameter estimation. It is also used to describe the probability in analytical techniques and it is used to measure two different techniques at equal intervals of time.

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The complete question is-

Which case describes how an instructor would determine if two results differ at a given confidence level?

A. Replicate measurements of a sample made by a single technique are compared with an accepted value.

B. Either compare replicate measurements of one sample made by two analytic techniques or compare samples created from two synthesis techniques measured

by one analytic sample.

C. Multiple samples are measured by two different techniques & the results are compared.

Answer:

700$.

3,500 - x = 2,800

3,500 - 2,800 = 700

Answer:

42.84

Step-by-step explanation:

I think

this is the answer

To describe y as the sum of two orthogonal vectors, x1 in the span{u} and x2 orthogonal to u , we follow two steps procedure:

1.First, find a vector x1 in the span{u} that is the projection of y onto u. To do this, use the formula:
  x1 = (y • u / ||u||^2) * u, where • represents the dot product and || || represents the magnitude of the vector.

2.Next, find the vector x2 that is orthogonal to u. Since y can be represented as the sum of x1 and x2, you can find x2 by subtracting x1 from y:
  x2 = y - x1

3.Now, you have y as the sum of two orthogonal vectors x1 and x2, with x1 in the span{u} and x2 orthogonal to u.

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Rhines criterion implies that there is a minimum length scale for baroclinic instability to take place, which is given by:

L = 2π/kx = 2π[(N² - f₂²)/(f₁² - f₂²)]¹/²

In a 2-layer channel with a flat bottom and infinite width in y, the dispersion relation for baroclinic instability is given by:

ω = kx[(f₁² - f₂²)/(N² - f₂²)]¹/²

Where ω is the frequency, kx is the wavenumber in the x-direction, f₁ and f₂ are the Coriolis parameters for the upper and lower layers, and N is the buoyancy frequency.

In the presence of rotation, the minimum length for baroclinic instability to take place is determined by the condition that the frequency ω must be positive. This means that:

(f₁² - f₂²)/(N² - f₂²) > 0

or equivalently:

f₁ > (N²f₂)¹/²

This condition implies that the Coriolis parameter in the upper layer must be greater than the square root of the product of the buoyancy frequency and the Coriolis parameter in the lower layer. This is known as the "Rhines criterion" and represents a necessary condition for the development of baroclinic instability in rotating fluids.

Furthermore, the Rhines criterion implies that there is a minimum length scale for baroclinic instability to take place, which is given by:

L = 2π/kx = 2π[(N² - f₂²)/(f₁² - f₂²)]¹/²

This length scale represents the typical size of the eddies that form due to baroclinic instability in rotating fluids, and is proportional to the inverse square root of the difference between the Coriolis parameters in the upper and lower layers.

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Answer: wait how much was her allowance

Step-by-step explanation:

Answer:

Step-by-step explanation:

Answer:

3/10 || 7/10

Step-by-step explanation:

Answer:

30%

70%

Plz mark me brainliest

Step-by-step explanation:

Answer:

dont b lazy googIe it

Step-by-step explanation:

Answer:

\(\huge\boxed{\sf Discriminant = -4}\)

Step-by-step explanation:

Comparing it with quadratic equation \(ax^2 + bx + c = 0\), we get:

a = 1 . b = 4 and c = 5

So,

Discriminant = \(b^2-4ac\)

D = (4)²-4(1)(5)

D = 16 - 20

D = -4

Hence,

Discriminant = -4

\(\rule[225]{225}{2}\)

Hope this helped!

Answer:

5 1/3

Step-by-step explanation:

16 = 3a

a = 16/3 = 5 1/3

Answer:

5 1/3

Step-by-step explanation:

16 = 3a

a = 16/3

= 5 1/3

Hope this helps!

Answer:

3/4 or 75%

Step-by-step explanation:

Let's 1st find the cards that can be chosen.

3 and 5 are odd and 2 is also a divisor of 10.

These are 3 cards so 3/4 is 75% chance you will get a card that is odd or a divisor of 10.

The steady-state amplitude is X = 2/√(29) and the steady-state phase is φ = -tan^(-1)(10/√29), the steady-state response xss(t) lags the input.

The steady-state response of the given system is a sinusoidal function with amplitude X and phase φ. Using the formula for steady-state response, we can find the values of X and φ for the given system. The output is said to lag the input if the phase is negative, which is the case here. We can plot the input and output versus time on the same graph to visualize the lag.

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The table is an illustration of an exponential function

The equation of the table is \(y = 148 * 0.997^x\)

Given that 1995 corresponds to x = 0, then

The initial value (a) of the function is:

a = 148.0

The equation of the function is:

\(y = ab^x\)

When x= 1, we have:

\(147.6 = ab^1\)

\(147.6 = ab\)

This gives

\(147.6 = 148b\)

Divide both sides by 148

\(b = 0.997\)

Hence, the equation of the table is:

\(y = 148 * 0.997^x\)

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To calculate the gain on the sale of the office furniture, we need to determine the asset's book value and compare it to the sale price.

First, let's calculate the accumulated depreciation on the furniture. The furniture was purchased on January 1, 2014, and the straight-line depreciation method is used over 10 years with a salvage value of $80,200.

Depreciation per year = (Cost - Salvage Value) / Useful Life

Depreciation per year = ($746,800 - $80,200) / 10 years

Depreciation per year = $66,160

Next, we need to calculate the accumulated depreciation for the period from January 1, 2014, to May 1, 2021 (the date of the sale). This is approximately 7.33 years.

Accumulated Depreciation = Depreciation per year × Years

Accumulated Depreciation = $66,160 × 7.33 years

Accumulated Depreciation = $484,444.80

Now, we can calculate the book value of the furniture:

Book Value = Cost - Accumulated Depreciation

Book Value = $746,800 - $484,444.80

Book Value = $262,355.20

Finally, we can calculate the gain on the sale:

Gain on Sale = Sale Price - Book Value

Gain on Sale = $300,000 - $262,355.20

Gain on Sale = $37,644.80

Therefore, the gain that should be recognized on the sale of the office furniture is approximately $37,644.80.

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The gain that should be recognized on the sale of the office furniture is $84,080.

The gain is calculated by subtracting the equipment's book value from the sale price. This gain will be reported on the company's income statement. Here is how to calculate the gain:First, find the equipment's book value using the straight-line method of depreciation.

Straight-line depreciation is calculated by taking the difference between the equipment's original cost and its salvage value, and then dividing it by the number of years the equipment is used. The annual depreciation expense is then multiplied by the number of years the equipment is used to find the equipment's book value at the end of its useful life.

For this question, the book value of the equipment at the time of sale is:Cost of equipment: $746,800Salvage value: $80,200Depreciable cost: $746,800 - $80,200 = $666,600Annual depreciation: $666,600 ÷ 10 years = $66,660Book value at the end of 2020: $666,600 - ($66,660 x 7) = $156,420

Next, subtract the equipment's book value from the sale price to find the gain:Sale price: $300,000Book value: $156,420Gain: $143,580Finally, round the gain to the nearest dollar:$143,580 ≈ $143,580.00So the gain that should be recognized on the sale of the office furniture is $84,080.

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Hello! Sorry this is a little late, but hopefully it can help others who visit this question!

I believe the answers would be "approaches y = 0" and "increases without bond".

I can confirm these answers are 100% correct!

Hope this helped :)

We have an expression for w:

We have to substract 2.9 from both sides and then we will get the value of w:

Answer

Answer: 2nd circle.

Step-by-step explanation: I'm not completely sure but I'm highly familiar that's the right format to represent the solution of cube of 512. Because you input 512 to x, it shows the 3rd power of 512.

Answer:

  c:  8,20,25

Step-by-step explanation:

You want to know which set of side lengths can form a triangle from the sets ...

A set of lengths can form a triangle if and only if the sum of the shorter two exceeds the longest.

In sets a, b, d, the sum of the shorter two is equal to the longest. These lengths will form a line segment, not a triangle.

A triangle can be formed by ...

  c: 8,20,25 . . . . . . 8+20=28 > 25

<95141404393>

Step 1: Multiply a and c

a = 1

c = 20

a * c = 20

Step 2: Find factors of +20 that add up to +9

Factors of 20 = 1, 2, 4, 5, 10, 20

The two factors that add up to 9 are 4 and 5.

Step 3: Factor

(x + 4)(x + 5) = 0

Answer: (x + 4)(x + 5) = 0

Hope this helps!

Answer:

two polygons are congruent if and only if there exists a composition of translation/rotations that maps one polygon to the other polygon.

(instead of translations/rotations we could write transformations, but there are transformations that also change the size of the figure, so I think that writing translations/rotations is more precise)

Step-by-step explanation:

Two figures are congruent if they have the same shape and size.

So for example, if we have one triangle, and we reflect that triangle along some line, those bot images will have the same shape and size (but maybe different orientations) so the triangles are still congruent.

Also, we could translate the image, or simply rotate it along some point, and the resulting image will be congruent to the initial image.

Then two polygons are congruent if and only if there exists a composition of translation/rotations that maps one polygon to the other polygon.

The composition that maps one polygon to the other polygon to make both congruent is called; Similarity transformation.

Now, we are told that there has to be a composition that will map one polygon to another one. This means that the two polygons must have the same shape after transformation.

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To find the implicit solution for dy/dx = x^2/(1-y^2), we can start by separating the variables and integrating both sides.

dy/(1-y^2) = x^2 dx

To integrate the left-hand side, we can use partial fractions:

dy/(1-y^2) = (1/2) * (1/(1+y) + 1/(1-y)) dy

Integrating both sides, we get:

(1/2) * ln|1+y| - (1/2) * ln|1-y| = (1/3) * x^3 + C

Where C is the constant of integration.

We can simplify this expression by combining the natural logs:

ln|1+y| - ln|1-y| = (2/3) * x^3 + C'

Where C' is a new constant of integration.

Finally, we can use the logarithmic identity ln(a) - ln(b) = ln(a/b) to get the implicit solution:

ln|(1+y)/(1-y)| = (2/3) * x^3 + C''

Where C'' is a final constant of integration.

Therefore, the implicit solution for dy/dx = x^2/(1-y^2) is ln|(1+y)/(1-y)| = (2/3) * x^3 + C''.

Given the differential equation:

dy/dx = x^2 / (1 - y^2)

To find an implicit solution, we can use separation of variables. Rearrange the equation to separate the variables x and y:

(1 - y^2) dy = x^2 dx

Now, integrate both sides with respect to their respective variables:

∫(1 - y^2) dy = ∫x^2 dx

The result of the integrations is:

y - (1/3)y^3 = (1/3)x^3 + C

This is the implicit solution to the given differential equation, where C is the integration constant.

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There were 630 chickens laying.

Let's assume the total number of chickens is represented by "x".

Given that three-sevenths of the chickens were laying, we can calculate the number of chickens laying as (3/7) * x.

We are also told that 840 chickens were not laying.

Therefore, the number of chickens not laying is 840.

Using these two pieces of information, we can set up an equation:

(3/7) * x = x - 840

To solve for x, we can multiply both sides of the equation by 7 to eliminate the fraction:

3x = 7(x - 840)

Expanding the equation:

3x = 7x - 5880

Subtracting 7x from both sides:

-4x = -5880

Dividing both sides by -4 to solve for x:

x = (-5880) / (-4)

x = 1470

Therefore, the total number of chickens is 1470.

To find the number of chickens laying, we can substitute this value of x into the expression (3/7) * x:

Number of chickens laying = (3/7) * 1470

Number of chickens laying = 630

Hence, there were 630 chickens laying.

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The Jensen's Alpha for your portfolio is -1.88%.

To calculate Jensen's Alpha, follow these steps:

1. Determine the actual return of your portfolio, which is 4.39%.
2. Determine the expected return based on the CAPM formula, which is 6.27%.
3. Subtract the expected return from the actual return: 4.39% - 6.27% = -1.88%.

Jensen's Alpha measures the portfolio's excess return compared to the expected return based on its risk level (beta) and the market return.

In this case, your portfolio underperformed by 1.88% compared to the expected return. It is important to note that the portfolio's standard deviation and beta do not affect the calculation of Jensen's Alpha directly, but they do play a role in the CAPM formula for determining the expected return.

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Answer:

5.26 < 5.4

Step-by-step explanation: I just took the quiz :) it’s correct

Answer:

D

Step-by-step explanation:

A function is where each input (here, the input is x) corresponds to exactly one output (here, the output is y). In other words, if a function is graphed, we should be able to draw a vertical line through every single part of it that will intersect it at only one place.

Let's examine each choice.

(A) Well, if we draw a vertical line through the graph, it will obviously intersect the entire line - which is an infinite number of intersections, so this is not a function.

(B) If we draw a vertical line through the portion of the graph that lies near the positive x-axis, we note that it will intersect twice, so this is not a function.

(C) If we strategically draw a vertical line through the y-axis, we see it will intersect two times, so this is not a function.

(D) We can draw a vertical line through any portion of this graph and know that it will only intersect once.

Therefore, the answer is D.

Answer:

D

Step-by-step explanation:

give person above brainliest

have a good one!

Answer:

My name is Melanie

Step-by-step explanation:

Answer:

Mine is Aday but pretty much everybody calls me Aya

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

brainliest please?