HELP PLEASE BRAINLEST FOR ANSWER Which sample is biased?
Which is not baised
A.
A book store owner surveys 50 customers to find out if they like to read.

B.
Two students survey 100 people on the street asking for their favorite soda.

C.
A phone system randomly calls people living in a city asking for their favorite store.

D.
A computer program randomly emails a survey to customers to see if they are satisfied with the service.

Answer:

TC = 5x -10

Step-by-step explanation:

Answer:

5d-10=C

Step-by-step explanation:

Because 5 friends are out to dinner so the cost of one meal is multiplied by five. Then you subtract 10 off the total for your answer, which is represented by the variable c

The minimum weight a bag of dog food could be and remain in the top 10% of all bags filled is 32.0625 kilograms.

To calculate the minimum weight a bag of dog food could be and remain in the top 10% of all bags filled, we need to first determine the z-score at which 90% of the bags are below. To do this, we use the z-score formula to calculate the z-score where 90% of the bags are at or below a certain weight. The z-score formula is z = (x - μ) / σ, where x is the value, μ is the population mean, and σ is the population standard deviation. In this case, the population mean is 30 kilograms and the population standard deviation is 1.25 kilograms. Using the z-score formula, we get a z-score of 1.6. Then, using the inverse z-score formula, we can calculate the minimum weight of a bag of dog food to be in the top 10%: x = μ + (z * σ), where x is the value, μ is the population mean, z is the z-score, and σ is the population standard deviation. In this case, x = 30 + (1.6 * 1.25), which equals 32.0625 kilograms. Therefore, the minimum weight for a bag of dog food

Learn more about minimum weight here

https://brainly.com/question/22691954

#SPJ4

The total accumulated amount needed to support your son's education is approximately $128,019.22.


Let's solve the problem step by step.

⇒ Calculate the future value of the funds needed for four years of university expenses.

PV1 = $40,000 (amount needed each year)

r1 = 5% (annual interest rate)

n1 = 1 (compounded once a year)

t1 = 4 (number of years)

Using the formula for future value (FV = PV × (1 + r/n)^(n × t)), we can calculate the accumulated amount for these four years:

FV1 = $40,000 × (1 + 0.05/1)^(1 × 4)

FV1 = $40,000 × (1.05)^4

FV1 ≈ $46,620.25

⇒ Calculate the future value of the $50,000 gift upon graduation.

PV2 = $50,000 (amount of the gift)

r2 = 5% (annual interest rate)

n2 = 1 (compounded once a year)

t2 = 9 (number of years from your son's 19th birthday to his graduation at age 28)

Using the same formula, we can calculate the accumulated amount for this gift:

FV2 = $50,000 × (1 + 0.05/1)^(1 × 9)

FV2 = $50,000 × (1.05)^9

FV2 ≈ $81,398.97

⇒ Calculate the total accumulated amount by summing up FV1 and FV2.

FV = FV1 + FV2

FV ≈ $46,620.25 + $81,398.97

FV ≈ $128,019.22

Therefore, the total accumulated amount needed to support your son's education is approximately $128,019.22.

Please keep in mind that these calculations assume a constant interest rate of 5% throughout the investment period and do not consider any additional contributions or fluctuations in the interest rate.

To know more about financial calculations, refer here:

https://brainly.com/question/17438438#

#SPJ11

The study is most likely attempting to establish is Criterion validity and the study featured a(n) scale of measurement is Ordinal scale.

10). The study is most likely attempting to establish is: By criterion validity.

Criterion validity measures how well one measure predicts the outcome for another measure.

Here, we are judging how well the scores on the employment test predict the performance of the person.

Nominal Scale: This scale is used to assign labels to variables that have no numerical values.

For eg : Gender (male and female) , colour (brown blue black white)

Ordinal scale: It matters how the values are arranged, but it makes no difference how much they differ.

For eg: 1: Food applications rated from 1 to 5, 5 being the best. If a app is rated as 2 and other is rated as 4 does not mean the later is twice as good as the first.

Interval scale: An interval scale is a numerical scale where the order and size of the difference between the numbers are known. Absolute zero does not indicate absence in an interval scale, it only means there is no value.

For eg: Temperature in degree Celsius. If T1=5o Celsius  and T2=15o Celsius this means is a temperature difference of 10o , but with T3=0o does not mean there is no temperature.

Ratio scale: The ratio scale is another numerical scale where the order and size of the difference between the values are known, and where absolute zero denotes the absence of values.

For eg: Salary of people

11). The study featured a(n)scale of measurement is: By ordinal scale

We will rank the chairs on a scale where order counts and the size of the difference is not particularly significant.

Hence, for 10th the option A is correct and for 11th the option B is correct.

To learn more about Criterion validity measures from the given link.

https://brainly.com/question/32322717

#SPJ4

I HOPE IT WILL HELP YOU.

THANK YOU.

I HOPE YOUR DAY GOES GREAT.

The equation to predict how many hours, x, the second part of the trip will take is :x = (total distance - distance traveled in the first part) / average speed x = (125 - 75) / 50  x = 1

To predict how many hours, x, the second part of the trip will take, we can use the equation:

x = (total distance - distance traveled in the first part) / average speed

In this case, the total distance of the trip is 125 miles, and the distance traveled in the first part is the product of the average speed and the time taken for the first part, which is 50 miles/hour * 1.5 hours = 75 miles.

Substituting these values into the equation, we have:

x = (125 - 75) / 50

Simplifying the equation, we get:

x = 50 / 50

x = 1

Therefore, the equation to predict how many hours, x, the second part of the trip will take is:

x = (total distance - distance traveled in the first part) / average speed

x = (125 - 75) / 50

x = 1

This means that the second part of the trip will take 1 hour to complete after the bus stops to refuel.

for more such question on average visit

https://brainly.com/question/130657

#SPJ8

Answer:

158,000

Step-by-step explanation:

Since your first answer 16.95 = 20,000 leading to 6 years, 2013 + 6 = 2019. So all you have to do is add the 20,000 :L Hope that helped!

Answer:

y = 1425 * (1 + 0.05)^x

Step-by-step explanation:

An exponential function of the form y = a * b^x can be used to model exponential growth or decay, where a is the initial value, b is the base (growth or decay factor), and x is the time period. In this case, the initial value is 1,425 and the rate of increase is 5%. We can write this as an exponential function as follows:

y = 1425 * (1 + 0.05)^x

where y is the final value after x time periods, and x is the number of time periods (in years, for example). To find the value of the function after x time periods, you can substitute the value of x into the equation.

Answer:

90 + 10 = 100 ;-;

Step-by-step explanation:

so the car is regularly 7300 bucks, however today is your birthday and you get it 27% off, so 100% - 27% = 73%, so 73% of the regular price, hmm how much is that?

\(\begin{array}{|c|ll} \cline{1-1} \textit{\textit{\LARGE a}\% of \textit{\LARGE b}}\\ \cline{1-1} \\ \left( \cfrac{\textit{\LARGE a}}{100} \right)\cdot \textit{\LARGE b} \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{73\% of 7300}}{\left( \cfrac{73}{100} \right)7300}\implies 5329\)

now enter the taxman!  to that will squeeze you for 8%

\(\stackrel{\textit{8\% of 5329}}{\left( \cfrac{8}{100} \right)5329}\implies 426.32\hspace{5em}\underset{ total~cost }{\stackrel{ 5329~~ + ~~426.32 }{\text{\LARGE 5755.32}}}\)

so how much will it be for 5755.32 at 12% for 5 years simple interest?

\(~~~~~~ \textit{Simple Interest Earned Amount} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill & \$5755.32\\ r=rate\to 12\%\to \frac{12}{100}\dotfill &0.12\\ t=years\dotfill &5 \end{cases} \\\\\\ A = 5755.32[1+(0.12)(5)] \implies \stackrel{ \textit{final pay for the car} }{\boxed{A \approx 9208.51}}\)

The total cashback you will get back is\($ 49.75}\)

The Given, original price \($=\$ 50$\) Sales fax\($=9.5 \%$\\\)

For first sale

                 \(\begin{aligned}\text { Price of item } & =\$ 50 \\\text { sales tax } & =+\$ 4.75 \\10 \% \text { discount } & =\frac{-\$ 5}{\$ 49.75}\end{aligned}\)

A sale is a transaction between two or more parties that involves the exchange of tangible or intangible goods, services, or assets for money. In some cases, assets other than cash are paid to a seller.

In the financial markets, a sale can also refer to an agreement that a buyer and seller make regarding a financial security, its price, and specific arrangements for its delivery.

Regardless of the context, a sale is essentially a contract between a seller of a particular good or service and a buyer who is willing to pay for that good or service.

for second Sale:-

There is no tax

So price\($=\$ 50$\)

For third sale: - Buy 3 and get 1 half of

\(\begin{aligned}\text { Price }=50 \times 3 & =\$ 150 \\\text { Sales tax }= & +\$ 14.25 \\\text { Discount } & =\frac{-\$ 25}{\$ 139.25}\end{aligned}\)

So, price of 1 piece \($=\$ 46.42$\)

for fourth Sale; - Buy anything over \(\$40\) and get \($\$ 5$\) gift card.

\(& \text { Price }=\$ 50 \\& \text { sales tax }=+\$ 4.75 \\& \text { Gift card }=\frac{-\$ 5}{\$ 49.75}\end{aligned}\)

Therefore, the cashback you will get back is \($ 49.75}\)

For more such questions on Sales:

https://brainly.com/question/20707390

#SPJ4

Answer:

Madhu played better.

Step-by-step explanation:

Change both fractions to where they have the same denominator to see which one is bigger. The smallest possible denominator between the two fractions is 117.  

To get the 13 in 6/13 to become 117, you had to multiply it by 9. Whatever you do to the denominator, you must do to the numerator.

6 x 9 = 54.

Allison's fraction is now 54/117.

To get the 9 in 5/9 to become 117, you had to multiply the 9 by 13. Whatever you do to the denominator, you must do to the numerator.

5 x 13 = 65

Madhu's fraction is now 65/117

By looking, 65 is larger than 54, so Madhu had a larger number of shots compared to shots not made than Allison.

Answer:

-4

Step-by-step explanation:

g(x)= -x+4

g(x)=8

x=?

we know,

g(x)= -x+4

8= -x+4

4= -x

x= -4#

The ratio of the number of history majors to the number of mathematics majors is 3 to 2.

When two objects are related using numbers or amounts, the relationship is known as a ratio.

Let E be the number of English majors, H be the number of history majors, and M is the number of math majors.

Now,

There are twice as many English majors as history majors.

E = 2 × H

There are three times as many English majors as mathematics majors.

E = 3 × M

Now, let's assume E = 6.

Then,

6 = 2 × H

H = 3 and,

6 = 3 × M

M = 2

Therefore, the ratio of the number of history majors to the number of mathematics majors will be:

H: M = 3 : 2

Learn more about ratio here:

brainly.com/question/12024093

#SPJ4

Answer:

y=4

Step-by-step explanation:

look at the picture. :) hope this helps

Answer:

y = 4

Step-by-step explanation:

Lets begin by combining like terms, starting with y. We can take the -y on the right, and bring it to the left side, adding it with the 3y already there. We are now at.

4y - 4 = 12

We now can take the -4 from the left and bring it to the right as +4.

4y = 16

We can now divide 16 by 4, getting 4 as the final answer.

Answer:

The correct option is;

There are no solutions

Step-by-step explanation:

From the graph of the inequality, with the y-intercept = 1 and slope = 3 for the blue shaded inequality

The equation is y > 3x + 1

While that of the other red shaded inequality, the slope is 3 and the y-intercept = -3

The equation is y < 3x - 3

Given that the two inequalities are parallel line that their domains do not overlap, we have that there are no solutions as the y-coordinate values of  y > 3x + 1 are always larger for a given x-coordinate value than the y-coordinate value of y < 3x - 3.

Answer:

No solution is correct.

Step-by-step explanation:

I took the test

Answer:

Given :-

To Find :-

Solution :-

Putting the known values ,

Volume = 1/3×3.14×5²×14 m³

Volume = 366.33 m³

Answer:

\( \: \)

Step-by-step explanation:

In the question, it is given that a cone has a radius of 5 meters and a height of 14 meters and we have to find the volume of the cone.

\( \: \)

To find the volume of the cone, we must know this formula :

\( \\ {\longrightarrow{ \qquad{{ {\pmb{\sf { Volume_{(cone) }= \dfrac{1}{3} \times \pi \times {(r)}^{2} \times h }}}}}}} \\ \\\)

Where,

Now, we will substitute the values in the formula :

\( {\longrightarrow{ \qquad{{ {\pmb{\sf { Volume_{(cone) }= \dfrac{1}{3} \times 3.14 \times 25 \times 14 }}}}}}} \\ \\\)

\({\longrightarrow{ \qquad{{ {\pmb{\sf { Volume_{(cone) }= \dfrac{1}{3} \times 3.14 \times 350 }}}}}}} \\ \\\)

\({\longrightarrow{ \qquad{{ {\pmb{\sf { Volume_{(cone) }= \dfrac{1}{3} \times 1099 }}}}}}} \\ \\\)

\({\longrightarrow{ \qquad{{ {\pmb{\sf { Volume_{(cone) }= \dfrac{1099}{3}}}}}}}} \\ \\\)

\({\longrightarrow{ \qquad{{ {\pmb{\frak { Volume_{(cone) }= 366.33}}}}}}} \\ \\\)

Therefore,

Aggregate Demand (AD) is a macroeconomic concept that represents the total demand for goods and services in an economy. The X factor in the AD equation represents exports, which are an important part of the economy.

AD is calculated by adding up the individual components of demand, which include consumer spending (C), investment spending (I), government spending (G), and net exports (X-M). The X-M component represents the difference between exports (X) and imports (M).

The X component in the equation represents exports, which are the goods and services produced domestically and sold to foreign countries. Exports are an important part of the economy as they generate income and create jobs. The M component in the equation represents imports, which are the goods and services purchased from foreign countries and consumed domestically. Imports can have a negative impact on the economy as they represent a drain on resources and can lead to a trade deficit. The X factor in the equation is used to represent exports because it is a variable that can change over time. Factors that can affect exports include exchange rates, tariffs, and global demand for certain products. If the exchange rate between two currencies changes, it can make exports more or less expensive for foreign buyers, which can affect the level of exports. Tariffs are taxes on imports, which can make domestic products more competitive in foreign markets.

To know more about Aggregate Demand visit :-

https://brainly.com/question/29349235

#SPJ11

Answer:-95, I think

Step-by-step explanation:

Step-by-step explanation:

95 is your answer siso

hope you loved it

Answer:

(-5+8,3-8) = (3,-5)

Step-by-step explanation:

This integral represents the length of the curve defined by the given parametric equations for 5 ≤ t ≤ 9. To find its exact length, you would need to evaluate this integral using appropriate integration techniques or numerical methods.

To find the length of the curve defined by the parametric equations x = ln(t) and y = √(t^1), for 5 ≤ t ≤ 9, we can use the arc length formula for parametric curves.

The arc length formula is given by:

L = ∫[a,b] √[(dx/dt)^2 + (dy/dt)^2] dt

In this case, we have x = ln(t) and y = √(t^1). We need to find dx/dt and dy/dt to calculate the integrand.

Differentiating x = ln(t) with respect to t, we get:

dx/dt = 1/t

Differentiating y = √(t^1) with respect to t, we get:

dy/dt = (1/2)t^(-1/2)

Substituting these derivatives into the arc length formula, we have:

L = ∫[5,9] √[(1/t)^2 + ((1/2)t^(-1/2))^2] dt

Simplifying the expression under the square root, we get:

L = ∫[5,9] √[1/t^2 + 1/4t] dt

Know more about parametric equations here:

https://brainly.com/question/29275326

#SPJ11

The quadratic function given can be written in vertex form by completing the square: f(x) = -22 + 82 = -2 + (9 + 7)x - 7x2 = -2 + 9x + 7x2.

The vertex of this function can be found using the formula x = -b/2a, where a = 7, b = 9.

Thus, the vertex is (4, -2).

To learn more about this visit Write the following quadratic function : https://brainly.com/question/9406557

#SPJ11

Answer:

The right option is option e.T-shaped.

Step-by-step explanation:

The molecular geometry or shape of clf3 is T-shaped. It acquires such shape because of presence of two lone pairs which take equatorial position and there are greater repulsions. The hybridisation is sp3d and it has 2 lone pairs

#SPJ4

Learn more about electron bonding at

https://brainly.com/question/2159156

Option e) T-shaped

The shape or molecular geometry  of ClF₃ is T-shaped. It acquires such a shape due to the presence of two lone pairs in the equatorial position and has greater repulsion. The hybrid is sp³d and it has 2 lone pairs.

Learn more about electron bonding here

https://brainly.com/question/1604211

#SPJ4

Answer:

b

Step-by-step explanation:

An object is moved rigidly when it is transferred from one location to another without affecting its size or shape.

A "matching" figure is one that can be placed perfectly on another. The bread has the same size and form when it is stacked. Match refers to objects that are precisely the same size and form. If one of two geometric figures can be consistently overlaid on the other, they are said to be congruent or to be in a congruent relationship.

An object is moved rigidly when it is transferred from one location to another without affecting its size or shape. Only a precise movement may generate a correspondence between two forms, and only then can two shapes match.

To know more about congruence visit:
https://brainly.com/question/7888063

#SPJ4

The optimal hedge ratio for bonds worth $1,000,000 with a time of 12.45 years yielding 11.9%.

Given that,

If the futures have a price of $90,000, a duration of 8.5 years, and an estimated yield of 9.5%, we must calculate the best hedge ratio for Treasury notes worth $1,000,000 with a tenure of 12.45 years yielding 11.9%.

We know that,

The formula for the optimal hedge ratio of Worth of Treasury bonds × ( 1 + Yields) × Duration by Worth of Future × ( 1 + Yields) × Duration

Optimal hedge ratio = \(\frac{1000000 \times (1+0.119)\times12.45 }{90000\times (1+0.095)\times 8.5}\)

Optimal hedge ratio = \(\frac{1000000 \times (1.119)\times12.45 }{90000\times (1.095)\times 8.5}\)

Optimal hedge ratio = \(\frac{13931550}{837675}\)

Optimal hedge ratio = 16.63

Therefore, The optimal hedge ratio for bonds worth $1,000,000 with a time of 12.45 years yielding 11.9%.

To know more about ratio visit:

https://brainly.com/question/31780466

#SPJ4

Answer:

(-0.5,0)

Step-by-step explanation:

The original recipe had 0.9 cups of bananas.

Using only fresh ingredients, strawberry banana smoothie is a simple, nutritious dish. It is creamy, sweet, nutritious, and dairy- or dairy-free can be used to make it. The ideal summertime smoothie. Putting the strawberries, frozen banana, milk, and yoghurt in a blender and mixing until smooth and creamy is all that is required to make it.

Cups of strawberries = 1.75

No. of cups added of banana = 1/2

                                            = 0.5

No. of cups of banana smoothie have = 14.

The original recipe had = 1.4 - 0.5

                                   = 0.9

Hence, the original recipe had 0.9 cups of bananas.

Correct Question :

to make a strawberry banana smoothie, a recipe calls for 1.75 cups of strawberries and some bananas. to make the recipe taste more like banana, 1/2 cup more banana was added to the blender. the smoothie now has 1.4 cups of bananas. how many cups of bananas were in the original recipe?

To learn more about cups here:

https://brainly.com/question/18443055

#SPJ4

Answer:

https://brainly.com/question/18832765

Step-by-step explanation: