The manager of a local fast-food restaurant is interested in improving the service provided to customers who use the restaurant's drive-up window. As a first step in this process, the manager asks an assistant to record the time (in seconds) it takes to serve a large number of customers at the final window in the facility's drive-up system. The file P08 07 xlsx contains a random sample of 200 service times during the busiest hour of the day
a. Identify the relevant population.
b. Calculate and interpret a 95% confidence interval for the mean service time of all customers arriving during the busiest hour of the day at this fast-food operation.
c. If the manager wants to improve service, at least during the busiest time of day, does this contidence interval provide useful inlormation? What useful information does it not provide?

Answer:

Blank 1 = same slope

Blank 2 = negative reciprocals

Answer:

1

Step-by-step explanation:

The value of product of expression tan A and tan C is​,

⇒ tan A × tan C = 1

Here, We have;

In triangle ABC;

⇒ ∠ A = 45°

⇒ ∠ B = 90°

⇒ ∠C = 45°

Hence, We get;

The value of product of tan A and tan C is​,

⇒ tan A × tan C =

⇒ tan 45° × tan 45°

⇒ 1 × 1

⇒ 1

Thus, The value of product of expression tan A and tan C is​,

⇒ tan A × tan C = 1

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Answer:

x=33 and angle=69

Step-by-step explanation:

just got it on a test

Measure of x = 69 degree.

A triangle is a three sided polygon, which has three vertices and three angles which has the sum 180 degrees.

Given that,

vertex angle = 42 degree

Angle of base angle = (2x + 3)°

Use the knowledge that the sum of the base angles in an isosceles triangle equals 180° minus the vertex angle to find the value of x.

Thus,

Vertex angle is,

(2x + 3)° + (2x + 3)° = 180° - 42°

Base angle + Base angle = 180° - 4x + 6 = 138

4x = 132 x = 33

We substitute x = 33 into (2x + 3)°

To determine the magnitude of each base angle:

Base angle equals (x + 3)°

Base angle = (2 x 33 plus 3).

Angle at base: 69° As a result, each base angle is 69°.

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Answer:

c(x)=9+3.5

Step-by-step explanation:

Hope this helps

Cash app is $Lilibug17

Answer:

ist cubes man

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

h(x)=8(x+6)^2-9

6 units to the left and 9 units down

Answer: 4

Step-by-step explanation: Subtract 10 from each sides and divide both sides by -2

Answer:

-22x-11

Step-by-step explanation:

Your welcome! :)

Answer:

23

Step-by-step explanation:

Do the steps in reverse.

-8 divided by -2 = 4

4 + 19 = 23

Your answer is 23

Hope I helped :)

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Answer:

a = 4

Step-by-step explanation:

5a - 15 + 9a = 3a + 29

14a - 15 = 3a + 29

11a - 15 = 29

11a = 44

a = 4

Answer:

I had the same question and guessed but i got 100% on it. The following snip is the answer

Step-by-step explanation:

The function g(x) has the largest maximum which is −1 option (C) is correct if the equation for the function f(x) is f(x)=−2|x−7|−4.

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

It is given that:

The function:

f(x) = -2|x - 7| - 4

Plug x = 1

f(1) = -16

Plug x = 2

f(2) = -14

Plug x = 3

f(3) = -12

Plug x = 4

f(3) = -10

From the table:

The function g(x) has the largest maximum which is −1.

Thus, function g(x) has the largest maximum which is −1 option (C) is correct if the equation for the function f(x) is f(x)=−2|x−7|−4.

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Answer:

3164.76

Step-by-step explanation:

divide the numbers.

and don't forget the decimal

Answer:

3164.76

Step-by-step explanation:

Hope this helps!

Answer:

7.3x10^-7

Step-by-step explanation:

you move the decimal to the right 7 times.

Hope this helps.

Answer:

[tex]10^-^5[/tex]  [tex]*73[/tex]

Step-by-step explanation:

So in 0.000073, 7 is the fifth digit in the term so we can write it as [tex]10^-^5[/tex] * 73

or 10 to power of negative 5 multiplied by 73.

Answer:

24

Step-by-step explanation:

Given the equation of the regression line :

y = - 20.3 + 0.489s

where ŷ is the predicted science score

s = IQ score

An actual science test score for a student is 52.6 with an IQ of 100.

Find and interpret the residual.

The predicted science test score for a student with an IQ of 100 is :

y = - 20.3 + 0.489(100)

y = - 20.3 + 48.9

y = 28.6

The residual = actual - predicted score

The residual = 52.6 - 28.6 = 24

Hence, the residual is 24 which is the error in prediction made about the actual score.

Answer:

−1.99; The regression line overpredicts the student's science test score.

Step-by-step explanation:

Answer: A C AND E

Step-by-step explanation:

Answer:

Hi there!

Your answer is:

The length is 40

Step-by-step explanation:

W=4+6L

P=568

Perimeter formula

W+W+L+L=568

Plug in known values!

(4+6L)+(4+6L) + L +L = 568

Solve for L

14L + 8 = 568

-8

14L = 560

/14

L=40

Answer:

4

Step-by-step explanation:

Answer:

-x=y+w-k

-x.-1=-1.(y+w-k)

x=-y-w+k

Answer:

it's already in the simplest form

Yes... It is in the simplest form..

Question: A trucking company operates in three regions of the country. The table below depicts the probability that each  company truck is in the region and the fuel prices per gallon. What amount should the company budget on average  for a gallon of fuel across its operations? Round your answer to the nearest cent.

Answer:

A. $3.53

B. $3.55

C. $3.68

D. $3.70

The amount that the company should put on average for a gallon across the operations is $ 3.70. This option D is correct.

The company of trucks runs operations in several countries as per the table each region has distinct scores of probability and as the company that is farthest from the market has more wages as compared to that is the nearest

The percentage is 100 and probability counts as compared to one. Thus 50% is 0.50. If assuming X is the cost of fuel then using the formula we get.

[tex]Mean = E (X) = f(xi) xi[/tex]

E(X) = 3.10 x 0.2 +3.5 x 0.3 +4.05 x 0.5 = 3.69 that is 3.70 dollars.

Find out more information about the company operates.

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The complete question is :

A trucking company operates in three regions of the country. The table below depicts the probability that each  company truck is in the region and the fuel prices per gallon. What amount should the company budget on average  for a gallon of fuel across its operations? Round your answer to the nearest cent.

A. $3.53

B. $3.55

C. $3.68

D. $3.70

Step-by-step explanation:

z^7/z^-14=21

z^21=21

Answer:68.5

Step-by-step explanation:

Answer:

-2+6x

Step-by-step explanation:

Answer:

x= -7

Step-by-step explanation:

-2+5(6x-5)= -237

multiply to get rid of the parentheses

-2+30x-25= -237

simplify

30x-27= -237

add 27 to both sides

30x= -210

divide both sides by 30

x= -7

Hope this helps! (;

Step-by-step explanation:

8(15-4)

----------

4square - 5

= 8(15-4)

=120 - 32

= 88

4square - 5

=4×4 = 16

16 - 5

= 11

therefore,

88/11

= 8

nevermind, I got the wrong answer. not sure how to delete my own answers :/

Answer:

Step-by-step explanation:

Answer:

3

Step-by-step explanation:

2 (n + 9) = 24 this is the equation

to solve for n (number):

2(n+9)=24 // Distribute the 2 into parentheses

2n + 18 = 24 // Subtract 18 on both sides of equal sign

      - 18   -18

      2n = 6 // Divide by 2 on both sides of equal sign

        2     2

      n = 3

Hope this helps :)

Answer:

35 + 5x= 100 -8x =

Step-by-step explanation:

35 +5x =100 -8 x

5x + 8x = 100 -35

13x = 65

x = 13/65

x =5