Your hypothesis test finds that the obtained value is less than the critical value. What do you conclude? Retain the alternative hypothesis Reject the alternative hypothesis Reject the null hypothesis Retain the null hypothesis

Answer:

look at the picture i have sent

Answer:

7 ft

Step-by-step explanation:

Answer:

1

Step-by-step explanation:

-5 is a constant because its a number on its own without a variable

Answer:

There is only 1 constant

Step-by-step explanation:

the constant is -5 because it's alone without any variables

The model with the largest number of parameters, excluding the intercept and white noise variance, is (d) ARIMA(2, 2, 3) with 5 parameters.

Excluding the intercept θ0 and white noise variance σ2e, the model with the largest number of parameters is (d) ARIMA(2, 2, 3).
Here's the breakdown of the parameters for each model:

(a) ARIMA(1, 1, 1) × (2, 0, 1)12:
AR part = 1 parameter
MA part = 1 parameter
Seasonal AR part = 2 parameters
Seasonal MA part = 1 parameter
Total parameters = 1 + 1 + 2 + 1 = 5

(b) ARMA(3, 3):
AR part = 3 parameters
MA part = 3 parameters
Total parameters = 3 + 3 = 6

(c) ARMA(1, 1) × (1, 2)4:
AR part = 1 parameter
MA part = 1 parameter
Seasonal AR part = 1 parameter
Total parameters = 1 + 1 + 1 = 3

(d) ARIMA(2, 2, 3):
AR part = 2 parameters
MA part = 3 parameters
Total parameters = 2 + 3 = 5

So, the model with the largest number of parameters, excluding the intercept and white noise variance, is (d) ARIMA(2, 2, 3) with 5 parameters.

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The center of the face of a cube is the midpoint of the face and lies along the line that runs between the opposite vertices of the face.

This is the point of intersection of the two diagonals in a face. In other words, it is the point that is equidistant from all four corners of the face.

To visualize this, imagine dividing the face into four equal triangles by drawing lines from each corner to the center. The center of the face is at the intersection of these lines.

In three-dimensional space, the center of the face of a cube is also the center of the cube itself, as all faces of a cube are congruent (the same shape and size) and meet at the center of the cube.

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Answer:

she paid $125 while he paid $85

Step-by-step explanation:

(a) The rate of change of P with respect to time is dP/dt = k(P^(1/3))^4.

(b) The solution of differential equation is P = (1/(1/3000 - t/9000000))^3.

(c) Whether or not this population size is cause for concern depends on various factors, such as the size of the swarm relative to the available resources in the surrounding environment etc.

(a) Let P(t) be the population of the swarm at time t. The rate of change of P with respect to time is proportional to the fourth power of the cubic root of its current population. Therefore, we have:

dP/dt = k(P^(1/3))^4

where k is a positive constant of proportionality.

(b) To solve the differential equation, we can use separation of variables:

dP/(P^(1/3))^4 = k dt

Integrating both sides, we get:

-3(P^(1/3))^(-3) / 3 = kt + C

where C is the constant of integration.

Using the initial condition that P(0) = 1000, we have:

-3(1000^(1/3))^(-3) / 3 = C

C = -1/3000

Substituting this value of C back into the equation, we get:

(P^(1/3))^(-3) = 1/3000 - kt/3

Raising both sides to the power of 3, we get:

P = (1/(1/3000 - kt/3))^3

Using the additional information that P(3) = 8000, we can solve for k:

8000 = (1/(1/3000 - 3k))^3

1/8000 = (1/3000 - 3k)

k = (1/9000000)

Substituting this value of k back into the equation, we get:

P = (1/(1/3000 - t/9000000))^3

(c) To determine if the concerns of the people of the nearby town are justified, we need to calculate the population of the swarm at t = 6 and compare it to some threshold value. Using the formula we derived in part (b), we have:

P(6) = (1/(1/3000 - 6/9000000))^3

P(6) ≈ 513,800

Whether or not this population size is cause for concern depends on various factors, such as the size of the swarm relative to the available resources in the surrounding environment and the potential impact on the local ecosystem.

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There must be a value of x between 1 and 3 such that f(x) = 0 because 0 lies between -5 and 5, satisfying the conditions of the Intermediate Value Theorem.

To determine if there must be a value of x between 1 and 3 such that f(x) = 0, we can use the Intermediate Value Theorem.

The Intermediate Value Theorem states that if a function is continuous on a closed interval [a, b] and takes on two different values f(a) and f(b), then for any value y between f(a) and f(b), there exists a value c between a and b such that f(c) = y.

In this case, we know that f(1) = -5 and f(3) = 5. Since f(x) is continuous on the closed interval [1, 3] (assuming this interval includes all the x-values in consideration), we have two different function values, -5 and 5.

According to the Intermediate Value Theorem, for any value y between -5 and 5, there must exist a value c between 1 and 3 such that f(c) = y.

Therefore, there must be a value of x between 1 and 3 such that f(x) = 0 because 0 lies between -5 and 5, satisfying the conditions of the Intermediate Value Theorem.

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Answer:

The vertex is option C: (-6, -2)

Step-by-step explanation:

The equation for a parabola is y = a(x – h)² + k where h and k are the y and x coordinates of the vertex, respectively. Thus, the vertex is (-6,2)

Pls mark brainliest.

The formula for the test statistic Z depends on the specific hypothesis test being conducted. However,  the test statistic Z can be computed as:

Z = (x - μ) / (σ / √n)

The formula for the test statistic Z is:

Z = (x - μ) / (σ / √n)

where:

x is the sample mean

μ is the population mean (under the null hypothesis)

σ is the population standard deviation (under the null hypothesis)

n is the sample size

This formula is used for a z-test, which is a statistical test that assumes that the population is normally distributed and uses the standard normal distribution to calculate the p-value.

In some cases, the population standard deviation is unknown, and so the sample standard deviation (s) is used as an estimate. In these cases, the formula for the test statistic Z is:

Z = (x - μ) / (s / √n)

where s is the sample standard deviation.

It's important to note that the formula for the test statistic Z can vary depending on the specific hypothesis test being conducted.

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The equations in options B and D are the polynomials other equations are not polynomial.

Polynomial is an expression of more than two algebraic terms, especially the sum of several terms that contain different powers of the same variable(s).

The exponent of the polynomial should be always a whole number like {0,1,2,3,4,5,6,.........}

Here in the option, only two equations are polynomials that are

(2/3)x²+x+1  and   x³+2x+√2

Hence the equations in options B and D are the polynomials other equations are not polynomial.

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The correct equation for the function g(x) is gotten as; g(x) = 2x + 3

We are told that the red line is the graph for the function g(x).

Now, we see that the y-intercept of the function g(x) is seen as (0, 3).

Thus, When x = 0, y = 3

From the options, let us try option A which says that g(x) = 2x + 3.

g(0) = 2(0) + 3

g(0) = 3

Thus, option A is the correct equation for g(x)

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Answer:

g(x)=\(-2x^{2}\)+1

Step-by-step explanation:

Answer:

g(x) = (x +2)² + 1

Step-by-step explanation:

original function is moved 2 units to the left and 1 unit up so

g(x) = (x-(-2))²+1

g(x) = (x +2)² + 1

Answer:

Step-by-step explanation:

Given :

x = -6

-7x + 6y = -18 ... i)

Putting the value of x in equation ...i)

=> -7 (-6) + 6y = -18

=> 42 + 6y = -18

=> 6y = -18 -42

=> 6y = - 60

=> y = -60/6

=> y = -10

The value of y = -10 and x = -6

Answer:

x= 4, y=6

Step-by-step explanation:

9x-9y = -18

9x=-18+9y

x=-2+y

-6(-2+y) + 9y = 6

-12-6y+9y=6

3y=18

y=6

9x -9(6)=-18

9x-54=-16

9x=36

x=4

Answer:

5

Step-by-step explanation:

Answer:

6x-4

Step-by-step explanation:

c-the missing length

(2x+5)+(4x-2)+c = 12x-1

2x+5+4x-2+c=12x-1

6x+3+c=12x-1

6x+4+c=12x =>4+c=12x-6x =>4+c=6x => c=6x-4

What is the missing length? 6x-4

Answer:400

Step-by-step explanation

in order to find slope you put the change in y over the change in x, y gains 1200 units while x gains 3 units, this means we get 1200/3 and we can simplify it to 400

Answer:

400

Step-by-step explanation:

We can use the formula \(\frac{rise}{run}\) to find slope!

So first we find points on the graph. The first point we see is 600. The second point we see is 1,400. Next, we find the rising distance between 1,400 and 600 which is 800. Now we look at the running distance which is 2. Now we plug it into the \(\frac{rise}{run}\) formula.

The formula should now look like this:

\(\frac{rise}{run}\\\) = \(\frac{800}{2}\)

\(\frac{800}{2}\) = 400

So the slope is 400

I hope this helped you! (If you can would you mark me as brainliest I would really appreciate it!)

Sincerely,

Rekifromsk8theinfinity

:D

The correct option is that C. Player A is the most consistent, with an IQR of 2.5.

The IQR is a spread metric that is less influenced by extreme values. It is the difference between the third (Q3) and first (Q1) quartiles. The quartiles for Player A are as follows:

Q1 = 2

Q3 = 4

IQR = Q3 - Q1 = 4 - 2 = 2

The quartiles for Player B are as follows:

Q1 = 2

Q3 = 5.5

IQR = Q3 - Q1 = 5.5 - 2 = 3.5

The IQR is regarded a better indicator of variability than the range since it is less impacted by extreme results. As a result, we may infer that the interquartile range is the best measure of variability for this data.

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It will take the golf ball 12 seconds to hit the ground using the kinematic equation for vertical motion.

To determine the time it takes for the golf ball to hit the ground, we can use the kinematic equation for vertical motion:

\(h = ut + (1/2)gt^2\)

Where:

h is the height (0 feet, as the ball is on the ground)

u is the initial velocity (192 feet per second)

g is the acceleration due to gravity (-32 feet per second squared, considering downward direction)

t is the time we want to find

Plugging in the given values, we get:

\(0 = (192)t + (1/2)(-32)t^2\)

Simplifying the equation, we have:

\(-16t^2 + 192t = 0\)

Factoring out t, we get:

t(-16t + 192) = 0

Setting each factor equal to zero, we have:

t = 0 (not applicable in this case)

-16t + 192 = 0

Solving for t, we get:

-16t = -192

t = 12

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The time it takes for the golf ball to hit the ground is approximately 11.92 seconds.

The time it takes for the golf ball to hit the ground can be determined using the equation of motion. We can use the formula:

h0 = 0

v0 = 192

g = 32.2

a = 16.1

b = 192

t1 = 0

t2 = -b / a

t(-16t + 192) = 0

Setting each factor equal to zero, we have:

t = 0 (not applicable in this case)

-16t + 192 = 0

Solving for t, we get:

-16t = -192

t = 12

t2 >= 0:

   time_to_hit_ground = t2

   time_to_hit_ground = t1

The time it takes for the golf ball to hit the ground is approximately", round(time_to_hit_ground, 2 seconds.

The time it takes for the golf ball to hit the ground is approximately 11.92 seconds.

Since time cannot be negative in this context, we discard the negative solution. Therefore, the time it takes for the golf ball to hit the ground is approximately 11.92 seconds.

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resposta:

Número entero negativo

explicación paso a paso:

Para ilustrar esto, elegimos dos números enteros con diferentes signos: 5 y -6

Si los multiplicamos:

\(5x-6=-30\)

El resultado siempre será un número negativo con diferentes signos: 5 y -6

por favor márcame como el brainliest

Area Principle. In a statistical display, each data value should be represented by the same amount of area. Bar chart (Relative Frequency Bar Chart)

Using rectangular bars with heights or lengths proportional to the values they represent, a bar chart or bar graph displays categorical data. Both a vertical and a horizontal bar plot are possible. A column chart is another name for a vertical bar graph.

Using rectangular bars with heights or lengths proportional to the values they represent, a bar chart or bar graph displays categorical data. Both a vertical and a horizontal bar plot are possible. A column chart is another name for a vertical bar graph.

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Answer:

2a + b = 180
 a + b = 118

a = 64, b = 56

Step-by-step explanation:

If you look at the triangle on the top right of the diagonal, there are 3 angles a, a and b. Since the 3 angles of a triangle add up to 180°

      a + a + b = 180

=>   2a + b = 180.......(1)

We are given that the largest angle is 118°

The largest angle of the parallelogram is a + b. Remember that opposite angles of a parallelogram are equal and the sum of the angles add up to 360

Therefore a + b = 118 ....(2)

Given equations (1) and (2), subtract (1) from (2):

Eq (1) - Eq(2) :

2a + b - (a + b) = 180 - 118

a = 62

Substitute for a in equation (2) to get

a + b = 118

62 + b = 118

b = 118 - 62 = 56

So the two angles are a = 64° and b = 56°

Answer:

a = 62, b = 56

Step-by-step explanation:

given the largest angle is 118° , then

a + b = 118 ( subtract b from both sides )

a = 118 - b → (1)

the sum of the interior angles of a quadrilateral = 360°

the angle adjacent to a is b ( alternate angles ) , then

a + b + a + a + b + a = 360

4a + 2b = 360 → (2)

substitute a = 118 - b into (2)

4(118 - b) + 2b = 360

472 - 4b + 2b = 360

472 - 2b = 360 ( subtract 472 from both sides )

- 2b = - 112 ( divide both sides by - 2 )

b = 56

substitute b = 56 into (1)

a = 118 - 56 = 62

a = 62 and b = 56

Answer:

6960

Step-by-step explanation:

Answer:

(n-1)(3n+4)

= 3n² + 4n - 3n - 4

= 3n² + n - 4

The work each manager has to do is 30 hours.

We are given that;

M = 2, the store is open from 7 a.m. to 10 p.m.

Now,

Substitute all known values into the equation from step, then solve for the unknown quantity. We know that N = 5, S = 10, E = 2, and M = 2. Substituting these values into the equation for H, we get:

\($$H = (5 \times 10) + (5 \times 2)$$$$H = 50 + 10$$$$H = 60$$\)

This means that the store needs a manager on site for 60 hours in a week. Substituting this value into the equation for h, we get:

\($$h = \frac{60}{2}$$$$h = 30$$\)

Therefore, by unitary method the answer will be 30 hours.

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Answer:

3.80

Step-by-step explanation:

Answer:

3.801

Step-by-step explanation:

Divide and move your decimals.

Answer:

\( \sin( \alpha ) = \frac{8}{14} = \frac{4}{7} \\ \\ \alpha = 34.84 \: degee\)

By using a linear line-of-best-fit model, the predicted attendance for the year 2012 is approximately equal to 141 people.

In order to determine a linear equation for the line of best fit (trend line) that models the data points contained in the table, we would have to use a graphing calculator (scatter plot).

In this scenario, the number of years would be plotted on the x-axis of the scatter plot while the number of attendance would be plotted on the y-axis of the scatter plot.

On the Excel worksheet, you should right click on any data point on the scatter plot, select format trend line, and then tick the box to display an equation for the line of best fit (trend line) on the scatter plot.

From the scatter plot (see attachment) which models the relationship between the number of years and attendance, a linear equation for the line of best fit is given by:

y = 12.77x + 13.57

Next, we would determine the predicted attendance for the year 2012:

Years, t = 2012 - 2002 = 10 years.

y = 12.77x + 13.57

y = 12.77(10) + 13.57

y = 127.7 + 13.57

y = 141.27 ≈ 141 people.

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Answer:

The answer to your question is 7 lbs.

Step-by-step explanation:

Data

angle = 70°

force = 20 lb

horizontal component

Process

To solve this problem just imagine a right triangle, where the force is the hypotenuse and the horizontal component is the adjacent side.

1.- Look for a trigonometric function that relates the adjacent side and the hypotenuse.

                  cos Ф = adjacent side / hypotenuse

- Solve for the adjacent side

                  adjacent side = hypotenuse x cosФ

- Substitution

                  adjacent side = 20 x cos 70

- Simplification

                  adjacent side = 20 x 0.342

- Result

                  adjacent side = 6.84 ≈ 7 lb  

432 ways are there to paint each of the integers 2, 3,..., 9 either red, green, or blue so that each number has a different color from each of its proper divisors.

A rule used to count the entire number of alternative outcomes in a circumstance is known as the fundamental counting principle. It claims that if there are n ways to do something and m ways to do something else after that, then there are n m n*m methods to do both of these acts.

Here,

(1) All prime number can take any of three colors, except one of 2 or 3 as both are connected via 6..

so 2, 5, 7 can have 3 ways each - 3*3*3 = 27 ways

(2) Let us take the multiples of 2..

4 can take any of the remaining 2 colors, while 8 would take the remaining colour. As like 4, 6 can also take any of 2 colors other than the colour of integer 2.

Thus 2*2*1=4

3 is restricted because of 6, so it cannot have the same color as 6 and therefore 3 can have any of the remaining 2 colors.

We could also have taken 3 colors for 6, and then 2 and 3 would have 2 colors each and overall 2*2*3.. We are still getting the same

Only integer left is 9, so it will take any of the 2 colors other than that of 3, so 2 ways..

Total 2*2=4

Combined way of  integers = 27∗4∗4=432 ways

There are 432 different methods to paint the numerals 2, 3,..., 9 red, green, or blue so that each number has a different hue from each of its suitable divisors.

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x= −2 and y=3

I can't explain this very well, sorry.