1 2 3 4 5 6 7 8 9 10 the prices of houses in the us is strongly skewed to the right with a mean of $383,500 and a standard deviation of $289,321. a real estate agent takes a random sample of 30 houses and records the mean price. what is the best description for the sampling distribution?

Answer:

F(t) = -0.54(t - 12)² + 104

Explanation:

We know that C(t) = -0.30(t - 12)² + 40 and F(t) = 9/5C(t) + 32

Then, we can replace C(t) on the equation of F(t) to get

Therefore, the new function F(t) is

F(t) = -0.54(t - 12)² + 104

Proportion of six-year-old rainbow trout that are less than millimeters long:To find the required proportion, the standard normal variable can be calculated using the z-score formula as follows:

\(z = (x - μ) / σWhere,μ = 331.6 mm\) (mean length of six-year-old rainbow trout)\(σ = 42.4 mm\) (standard deviation of the length of six-year-old rainbow trout)\(x = 300 mm\) (the length less than which the proportion of six-year-old rainbow trout is to be determined)\(z = (300 - 331.6) / 42.4 = -0.7488\)Using the standard normal distribution table, the proportion of six-year-old rainbow trout less than 300 mm long is found to be 0.2266.

Approximately 0.5251 or 52.51% of six-year-old rainbow trout are between 300 and 360 mm long.(c) A six-year-old rainbow trout length of less than 267.44 mm would be considered unusual since the z-score corresponding to this length is -2.5, which lies beyond 2 standard deviations from the mean.

To know more about deviations visit:

https://brainly.com/question/29758680

#SPJ11

Answer:

A

Step-by-step explanation:

When dilating an object, you multiply the x and y values by whatever scale you want to dilate the object by. It cannot be C because 2/5 is less than 1, which means that the object would shrink. So the answer must be A

Answer:

I do!

Step-by-step explanation:

Answer:

no sorry but i do know some friends that play..

Therefore, the average number of machines waiting for service is 0.083 (rounded to three decimal places).

To calculate the average number of machines waiting for service, we can use the concept of the M/M/1 queue, where arrivals follow a Poisson distribution and service times follow a negative exponential distribution.

In this case, the arrival rate (λ) is 1 breakdown every 4 working days, and the service rate (μ) is 1 repair job per day.

The utilization factor (ρ), which represents the system's utilization, can be calculated as ρ = λ/μ = (1/4)/(1) = 1/4.

The average number of machines waiting for service (Lq) can be calculated using the formula Lq = ρ² / (1 - ρ).

Plugging in the values, we have Lq = (1/4)²/ (1 - 1/4) = 1/12.

To know more about average number,

https://brainly.com/question/32640470

#SPJ11

Answer:

The required function is:

\(C(x) = 150+0.45x\)

Step-by-step explanation:

We have to represent the given scenario as an equation or function

Let x be the number of miles driven in a week

Let C(x) be the function of the number of miles driven

As it is given that charges are 150 per week, these charges are constant so they will be used as it is.

It is also given that the cost of car is 0.45 per mile so for x miles the cost will be:

0.45x

Combining both terms, we get

\(C(x) = 150+0.45x\)

Hence,

The required function is:

\(C(x) = 150+0.45x\)

Answer:

16

Step-by-step explanation:

just use a mean absolute deviation calculator next time

Answer:

Answer is C

The inequality is x

<−6 or x>2

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

       | 2x + 4 |  > 8        

         Case I                                 Case II

       2x + 4 > 8                            -(2x +4) > 8

            -4      -4                           -2x - 4 >  8

        2x      > 4                                   +4    +4    

           x   > 4/2                           -2x  > 12

            x > 2                               -x > 12/2

                                                   -x > 6    

                                                    x <  - 6  Multiply by -1 will change the inequality sign.  

       x >  2  and x< - 6

       x > 2    open circle at 2 and shade to the right.

       x < -6    open circle at -6 and shade to the left

Answer: 26

Step-by-step explanation:

Answer:

26 is the answer because we have to subtract when the signs of the number are diffrent and add when it is same . so +18 - (-8) = 26

By using simple multiplication, Dominic sold 52 boxes of greeting cards during the fundraiser.

What is multiplication?

Multiplication is an arithmetic operation that combines two or more numbers to find their product or the total number of objects in equal-sized groups. In multiplication, the numbers being multiplied are called factors, and the result is called the product.

The equation that could be used to find the number of boxes n Dominic sold is:

7n = 364

Where n represents the number of boxes Dominic sold and 7 is the price of each box.

To solve for n, we can divide both sides of the equation by 7:

n = 52

Therefore, Dominic sold 52 boxes of greeting cards during the fundraiser.

To learn more about multiplication visit:

https://brainly.com/question/1135170

#SPJ1

Answer: n x 7=364

Step-by-step explanation: 7n = 364

Good luck with the Go Math Comulative Assessment Chapters 7-10 Room 240 ;)

The characteristic equation of a closed-loop control system with a proportional-integral (PI) controller is given by:

s^2 + (k_i/k_p)s + (1/k_p) = 0

where k_p is the proportional gain and k_i is the integral gain of the PI controller. To find the roots of the characteristic equation, we can use the quadratic formula:

s = (-b ± sqrt(b^2 - 4ac)) / 2a

where a, b, and c are the coefficients of the quadratic equation. Therefore, the roots of the characteristic equation depend on the values of k_p and k_i, which in turn depend on the specific feedback process being controlled.

Know more about closed-loop control system here:

https://brainly.com/question/30896173

#SPJ11

The interior volume of the tent where the cross sections are triangles is given is 120ft³.

There are two cross sectional triangles

The  one smaller triangle with the height and base of 2ft

The other bigger triangle has a base and height of 4 ft

And the total length of the Tent is given as 6 ft.

Therefore,

Area of smaller triangle = 2 x 2 = 4m²

Area of bigger triangle = 4 x 4 = 16 ft²

So the Volume of the tent is given by ,

Total length x (Area of smaller triangle + Area of bigger triangle)

= 6 x ( 4 + 16 )

=6 x ( 20 )

= 120 ft ³

A measurement of three-dimensional space is volume.  Numerous imperial or US customary units, as well as SI-derived units (such the cubic metre and litre), are frequently used to quantify it numerically (such as the gallon, quart, cubic inch). Volume and length (cubed) have a symbiotic relationship. The capacity of a container is typically regarded to be its volume.

Learn more about Volume:

https://brainly.com/question/29280067

#SPJ4

Answer:

Step-by-step explanation:

Givens

smaller number = x

Larger number = 2x + 8

Sum = 35

Equation

x + 2x + 8 = 35

Solution

3x + 8 = 35

3x = 35 - 8

3x = 27

x = 9

The smaller number = 9

The larger number = 2*9 + 8 = 26

My answers aren't in the list. Are you sure the numbers in the list are correct?

Answer:

Your answer is 24.

Step-by-step explanation:

The data set is 22,23,23,23,24,24,25,26,26,26,28

The median of this set is 24

The mean is 24.54

The mode is 23,26

The range is 6

Answer:

-1+2-4+8-10+12-14+16-18+20

=

-47+68

= +21

hope youlike this

stay at home stay safe

keep rocking

Answer:

pi/2 units to the left

Step-by-step explanation:

the formula is y = cos(x-b) so when b is negative, the formula will show a plus sign because minus negative is adding. this means the graph is shifted -pi/2 to the right which is really pi/2 to the left

Answer:

Minimum: 29

Lower Quartile: 35

Median: 43

Upper Quartile: 46

Maximum: 60

Interquartile Range: 11

Step-by-step explanation:

To find:

The midpoint of the line segment with the endpoints P1(11/2,3/8) and P2 (-7/2,5/8).

Solution:

The midpoint formula is:

Put the values:

Thus, the midpoint is (1, 1/2).

The expression for the exact number of inches in 1 centimeter is 1/2.54.    Using a calculator to evaluate the expression gives 0.39370074. There may be a slight difference when converting due approximation of figures

Given the conversion facts:

1 inch = 2.54 centimeters and 1 centimeter = 0.39 inch

a. The expression for the exact number of inches in 1 centimeter will be:

1 centimeter  = 1/2.54           (Since 1 inch = 2.54 centimeters)

b. Using a calculator to evaluate the expression in (a) will give:

1 centimeter  = 1/2.54  = 0.39370074

The measurement conversion may be slightly different when converting between metric units and U.S. custumary units because of the approximation of figures when converting from one unit to the other

Learn more about unit conversion on:

https://brainly.com/question/28000115

#SPJ1

Answer:

12.00 because you can change 15% to 0.15 then multiply 80 and 0.15 together and it will give you 12.00

Answer:

18 units

Step-by-step explanation:

First, -9 to 0 is 9 units.  Next 0 to 9 is also 9 units.  Added up, this gives a total of 18 units.

Hope this helps! :)

Answer:

18

Step-by-step explanation:

You can do this two ways:

From -9 to 0, the distance is 9 units.

From 0 to 9, the distance is 9 units.

Add the two distances together, and you get 18 units.

You can also do this with the distance formula for a number line.

The distance, d, between numbers a and b on the number line is:

d = |a - b|

Our numbers are -9 and 9. It does not matter which number you call a and which you call b. Since the expression has absolute value in it, the answer will always come out non-negative.

d = |-9 - 9| = |-18| = 18

If you do it the other way, you get:

d = |9 - (-9)| = |9 + 9| = |18| = 18

X is a connected set but not a path-connected set. X={x,0xe[0,1}U{1/nyneN,ye{0,1]}U{0,1}.

To prove that X is connected, let us assume that X can be divided into two disjoint non-empty open sets A and B. Since X is the union of different points, any point in X will be in either A or B. Let us take an arbitrary point p in A. Since A is open, there is an open ball centered at p that is contained in A. Because B is disjoint from A, it follows that every point in this ball is also in A. By a similar argument, any point in B must have a ball centered at that point that is entirely contained in B. Thus, X must be either in A or B and hence, cannot be divided into two disjoint non-empty open sets. However, X is not path-connected since there is no path between points in [0,1] x {0} and {1} x {1}. Thus, it is connected but not path-connected.

Know more about connected set here:

https://brainly.com/question/29218348

#SPJ11

so let's check how much is each interior angle in the pentagon first.

\(\underset{in~degrees}{\textit{sum of all interior angles}}\\\\ n\theta = 180(n-2) ~~ \begin{cases} n=\stackrel{number~of}{sides}\\ \theta = \stackrel{degrees}{angle}\\[-0.5em] \hrulefill\\ n=5 \end{cases}\implies 5\theta =180(5-2) \\\\\\ 5\theta =180(3)\implies 5\theta =540\implies \theta =\cfrac{540}{5}\implies \theta =108\)

Check the picture below.

The probability that a colorblind person is a man is approximately 0.952 (rounded to 3 decimal places).

We must utilize conditional probability to determine the likelihood that a colorblind individual is a man.

The occurrences will be noted as follows:

If a person is a man, then M.

W designates a person's gender.

C indicates that someone is colorblind.

We receive:

The probability that a colorblind person is a man is P(C | M) = 5% = 0.05.

The likelihood that a colorblind person is a woman is P(C | W) = 0.25 percent or 0.0025.

We're looking for:

P(M | C) = ? (chance that a man with colorblindness)

We can determine this probability using the Bayes theorem:

P(C | M) * P(M)) = P(M | C) / P(C)

To begin, we must determine P(C), or the likelihood that a person is colorblind:

P(C) is equal to P(C | M) * P(M) + P(C | W) * P(W).

Although we don't know the precise value of P(M) or P(W), the chance that a person is a man or a woman, we may assume that there are roughly equal numbers of males and women in the population. As a result, we can infer that P(M) = P(W) = 0.5 (each 50%).

P(C) = (0.05 * 0.5) + (0.0025 * 0.5) = 0.025 + 0.00125 = 0.02625 when the values are plugged in.

We can now enter the values as substitutions into Bayes' theorem to determine P(M | C):

P(M | C) = (0.05 * 0.5) / 0.02625 = 0.025 / 0.02625 = 0.952

Therefore, it is roughly 0.952 (rounded to three decimal places) likely that a colorblind person is a man.

Learn more about probability here:

https://brainly.com/question/30853716

#SPJ11

Answer:

1.5 gallons is equal to 12 pints

Step-by-step explanation:

Answer:

24 ounce bottle.

Step-by-step explanation:

8 Ounce bottle=2.7 for each ounce

16 ounce bottle=2.9 for each ounce

24 ounce bottle=2.6 for each ounce

Answer:

x = -3 - 2i and x = -3 + 2i

Step-by-step explanation:

I was too lazy to complete the square but solved it on WolframAlpha

Answer:

Step-by-step explanation:

Add 196 to both sides, then take the square root

\(k^2=196\\\)

k = ±14

Let g(x) = bax, where a and b are positive constants and x is a poisson random variable, the expected value of g(x) is b * a * λ

We can use the law of total probability and the fact that the Poisson distribution has a probability mass function of f(x) = e^(-λ) * λ^x / x!, where λ is the mean parameter, to find the expected value of g(x):

E[g(x)] = E[bax] = b * a * E[x]

Now, the expected value of x for a Poisson distribution with mean parameter λ is λ, so we have:

E[g(x)] = b * a * E[x] = b * a * λ

Therefore, the expected value of g(x) is b * a * λ, where λ is the mean parameter of the Poisson distribution.

Learn more about poisson random variable at https://brainly.com/question/14689878

#SPJ11

SOLUTION:

Step 1:

In this question, we have that the Quadrilateral ABCD will be dilated about the origin by a scale factor of 1/3 and then reflected across the y-axis:

From the graph, we can see that:

Step 2:

We need to dilate about the origin by a scale factor of 1/3, then

we have that:

Step 3 :

We need to reflect across the y-axis:

( x , y ) ------- ( -x, y )

From the graph,

a) The original polygon is in colour Red

b) The dilated image of the original polygon is in colour Blue

c) The reflection of the dilated image is in colour Green.