A supervisor finds the mean number of miles that the employees in a department live from work. he finds x overbar = 29 and s = 3.6. which mileage is within a z-score of 1.5? 21 miles 24 miles 36 miles 41 miles

Answers

Answer 1

A supervisor finds the mean number of miles that the employees in a department live from work is 24. Then the correct option is B.

What is a z-score?

The z-score is a numerical measurement used in statistics of the value's relationship to the mean of a group of values, measured in terms of standards from the mean.

The z-score is given as

[tex]z = \dfrac{x-\mu }{s}\\[/tex]

x = 29

s = 3.6

z = 1.5

Then the mean will be

[tex]1.5 = \dfrac{29 - \mu }{3.6}\\\\\mu = 29 - 5.4\\\\\mu = 23.6 \approx 24[/tex]

More about the z-score link is given below.

https://brainly.com/question/15016913


Related Questions

what is another formula for finding the rate of discount?

Answers

Answer:

Subtract the final price from the original price. Divide this number by the original price. Finally, multiply the result by 100.

Step-by-step explanation:

PLSSSSS HELP!!!!
I WILL GIVE BRAINLIEST!!!! ​

Answers

Answer:

2.924

Step-by-step explanation:

First you'll solve the parenthesis:

...- (5.5-5.5)

...-(0)

Now solve the equation:

[tex]\sqrt[3]{5^{2} - 0}[/tex]

[tex]\sqrt[3]{25}[/tex]

Now solve fully

I hope this helps :)

Answer:

the answer is 3 times the square root of 27

Step-by-step explanation:

Solve the equation and show your work.


A . 17x + 12 = 54 - 4x

B . 5x - 10 + 2x = 6(x + 1) - x

Answers

Answer:

A. x= 2

B. x= 8

Step-by-step explanation:

Solving an equation refers to finding the value of the variable in the equation.

A. 17x +12= 54 -4x

Bring all x terms to one side, constant to the other:

17x +4x= 54 -12

21x= 42

x= 42 ÷21

x= 2

B. 5x -10 +2x= 6(x +1) -x

7x -10= 6x +6 -x

7x -10= 5x +6

Bring all x terms to one side, constant to the other:

7x -5x= 10 +6

2x= 16

Divide both sides by 2:

x= 16 ÷2

x= 8

Hey ! there

Answer:

Value of x in equation A is 2 .

Value of x in equation B is 8 .

Step-by-step explanation:

In this question we are provided with two equations that are 17x + 12 = 54 - 4x and 5x - 10 + 2x = 6(x + 1) - x . And we are asked to solve the equation that means we have to find the value of x for both the equations .

Solution : -

A)

[tex] \longmapsto \qquad \: 17x + 12 = 54 - 4x[/tex]

Step 1 : Subtracting 12 on both sides :

[tex] \longmapsto \qquad \: 17x + \cancel{ 12} - \cancel{12} = \bold{54} - 4x - \bold{ 12}[/tex]

Simplifying it ,

[tex] \longmapsto \qquad \: 17x = 42 - 4x[/tex]

Step 2 : Adding 4x on both sides :

[tex] \longmapsto \qquad \: 17x + 4x = 42 - \cancel{4x} + \cancel{4x}[/tex]

On further calculations, we get :

[tex] \longmapsto \qquad \: 21x = 42[/tex]

Step 3 : Dividing with 21 on both sides :

[tex] \longmapsto \qquad \: \dfrac{ \cancel{21}x}{ \cancel{21} } = \cancel{ \dfrac{42}{21} }[/tex]

We get :

[tex] \longmapsto \qquad \: \red{\underline{\boxed{ \frak{x = 2}}}} \quad \bigstar[/tex]

Henceforth , value of x is 2 .

Verifying : -

Now , we are verifying our answer by substituting value of x as 2 in the given equation . So ,

17x + 12 = 54 - 4x

17 ( 2 ) + 12 = 54 - 4 ( 2 )

34 + 12 = 54 - 8

46 = 46

L.H.S = R.HS

Hence , Verified .

Therefore , our solution is correct .

▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬

B)

[tex] \longmapsto \qquad \: 5x - 10 + 2x = 6(x + 1) - x[/tex]

Step 1 : Adding like terms on left side :

[tex] \longmapsto \qquad \: 7x - 10 = 6(x + 1) - x[/tex]

Step 2 : Solving parenthesis on right side by using distributive property . ( Multiplying 6 with x and 1 both ) :

[tex] \longmapsto \qquad \: 7x - 10 = \bold{6x} + 6 - \bold{x}[/tex]

Step 3 : Solving like terms on right side :

[tex] \longmapsto \qquad \: 7x - 10 = 5x + 6[/tex]

Step 4 : Adding 10 on both sides :

[tex] \longmapsto \qquad \: 7x - \cancel{10} + \cancel{ 10} = 5x + 6 + 10[/tex]

Simplifying it ,

[tex] \longmapsto \qquad \: 7x = 5x + 16[/tex]

Step 5 : Subtracting 5x on both sides :

[tex] \longmapsto \qquad \: 7x - 5x = \cancel{5x }+ 16 - \cancel{5x}[/tex]

On further calculations , we get :

[tex] \longmapsto \qquad \: 2x = 16[/tex]

Step 6 : Dividing with 2 on both sides :

[tex] \longmapsto \qquad \: \dfrac{ \cancel{2}x}{ \cancel{2}} = \cancel{\dfrac{16}{2} }[/tex]

We get :

[tex] \longmapsto \qquad \: \red{\underline{\boxed{ \frak{x = 8}}} } \quad \bigstar[/tex]

Henceforth , value of x is 8 .

Verifying : -

Now , we are verifying our answer by substituting value of x as 8 in the given equation . So ,

5x - 10 + 2x = 6(x + 1) - x

5 ( 8 ) - 10 + 2( 8 ) = 6 ( 8 + 1 ) - 8

40 ( - 10 ) + 16 = 6 ( 9 ) - 8

56 - 10 = 54 - 8

46 = 46

L.H.S = R.H.S

Hence , Verified .

Therefore , our solution is correct.

#Keep Learning

KLMN is a square and NM = 8. Solve for the blanks below:
N
M
K
L
TZOKL=
mZMOL =
Perimeter of KLMN =

Answers

Answer:

see explanation

Step-by-step explanation:

the angles in a square are right .

the diagonals bisect the angles , then

∠ OKL = 45°

The diagonals are perpendicular to each other , then

∠ MOL = 90°

All sides are congruent , so

perimeter = 4 × NM = 4 × 8 = 32

Answer:

Perimeter: 32

measure of angle OKL: 45

measure of angle MOL: 90

Step-by-step explanation:

Things to remember:

- the side of the square are all equal

- vertical angles are congruent

 + ex. MON and KOL; MOL and NOK

- the entirety of the four angles in the center of the square equal 360 degrees

 + ex. MON + MOL + LOK + KON = 360 degrees

- corners of a square equal 90 degrees and since lines MK and LN cut the square in half we can assume that angles like OKL are also cut in half, making them 45 degrees

+ ex. angle NKL (90) = OKL (45) + OKN (45)

- The four triangles in the square are isosceles

If we have the angles of OML and MLO we can find MOL since the angles of a triangle equal 180

OML (45) + MLO (45) + MOL (x) = 180

90 + x = 180

x = 90

Jessica has 573 stickers in her collection. How many sets of 10 stickers does jessica have in her collection?​

Answers

Answer:

57 3/10 or 57.3 sets

Step-by-step explanation:

573 stickers divided by 10 sets

Answer:

57 sets of 10 stickers

Step-by-step explanation:

573/10 = 57.3

so, 57 sets of 10 stickers.

Hope this helped! Have a nice day!

Please give Brainliest when possible!

- King Jaron

7 < 3 - 2x I need help with getting the answer

Answers

Answer:

x < - 2

Step-by-step explanation:

7 < 3 - 2x ( add 2x to both sides )

2x + 7 < 3 ( subtract 7 from both sides )

2x < - 4 ( divide both sides by 2 )

x < - 2

PLEASE HELP ASAP FIRST CORRECT ANSWER GETS BRAINLEIST​

Answers

k²= 6²+5²

k²= 36+25

k²= 61

k= V61

k=7.81

The second angle of a triangle is 52 more than the first angle. The third angle is two times the first. Find the three angles.

Answers

Answer:

The third angle is 104

Step-by-step explanation:

their for first angle is x and second angle of a triangle is 52 more than the first angle x×52 and again The third angle is two times the first and x=52×2×= 104

please help its geometry. Solve for x

Answers

Answer

the answer is x = 9 root 3

PLS HELPPPPP I'VE ASKED FOR FOUR TIMES BUT STILL NO ONE IS WILLING TO ANSWER ME THIS IS SO HARD
35 POINTS WILL BE REWARDED
SOLID AND USEFUL ANSWERS PLS THANKS SO MUCH
here are the answers: (a)(ii) 0.9504 (b) 1/6 (c) 1/31
i just need the steps and it'll be better if you could also type some brief explanations :D

Answers

Answer:

O.9504 is the coreect answer bro

Given the objective Function: Revenue = 75x+85y and the critical points: (0,0) (180,120) (300,0)

Answers

Answer

(180,120)

Cannot be determined

Step-by-step explanation:

Fax

The critical point with the maximum revenue is at (180,120)

How to determine the critical point with the maximum revenue?

The objective function is given as:

Revenue = 75x+85y

The critical points are (0,0) (180,120) (300,0)

Substitute these points in the objective function.

Revenue = 75(0)+ 85(0) = 0

Revenue = 75(180)+ 85(120) = 23700

Revenue = 75(300)+ 85(0) = 22500

The maximum revenue is 23700.

Hence, the maximum revenue is at point (180,120)

Read more about objective function at:

https://brainly.com/question/16826001

Find the number that makes the ratio equivalent to 9:4.
72:

Answers

The answer would be 72:32
Because 9 x 8= 72 and 4 x 8 is 32

Answer number 3 please no bots please I’m just trying to get help.

Answers

Answer:

no 3. is C

no 4. 144 square inch

dhjejdjdoejehdicjf

Nate has the following data:
5
t
14
14
7 3
If the range is 13, which number could t be?

Answers

it’s ::::: i think this because

Find f(-2) for (x) = 3 . 2^x
O A. -36
O B. -12
O c.1/36

O D. 3/4

Answers

[tex]\sf f(x) = 3 \ * \ 2^x[/tex]

insert x = -2

[tex]\sf f(-2) = 3 \ * \ 2^{-2}[/tex]

[tex]\sf f(-2) = 3 \ * \ \dfrac{1}{4}[/tex]

[tex]\sf f(-2) = \dfrac{3}{4}[/tex]

option D. 3/4 will be the correct answer.

[tex]\\ \rm\Rrightarrow f(x)=3.2^x[/tex]

Put -2

[tex]\\ \rm\Rrightarrow f(-2)[/tex]

[tex]\\ \rm\Rrightarrow 3.2^{-2}[/tex]

[tex]\\ \rm\Rrightarrow 3(1/4)[/tex]

[tex]\\ \rm\Rrightarrow 3/4[/tex]

the diameter of a circle is 12 kilometers. What is the length of a 60 degree arc?​

Answers

Answer:

Step-by-step explanation:

Circle Y has an area of 394.38cm ^ 2 . What is the circumference? Use 3.14 for pi Round to the nearest hundredth.

Answers

Answer:

70.38 cm

Step-by-step explanation:

π = 3.14

Area of a circle = πr^2

394.38 = πr^2

125.598726 = r^2

r = 11.2070837 cm

Circumference = 2πr

C = 70.3804856 cm

What number is one hundred thousand less than one hundred
million?

Answers

Answer:

900,000

Explanation:

1 million is 10*100,000, so subtracting 100,000 from it is just like subtracting 1 from 10-- just much much larger numbers.

Answer:

99,900,000

Step-by-step explanation:

Less than ⇒ subtraction⇒ Subtract 100,000 from 100,000,000

100,000,000 - 100,00099,900,000

Yo I need to bring up my math grade bad so
y>1/3x
(please show it graphed already :D)

Answers

Answer:

Graph Passing through origin with Gradient ⅓

Step-by-step Solution:

1. Aquire x and y Intercepts by substituting 0 to corresponding value.

When x=0,

[tex]y = \frac{1}{3} (0) \\ y = 0[/tex]

When y=0,

[tex]0 = \frac{1}{3} x \\ x = 0[/tex]

i.e. passing through Origin

do the same for any other 2 points and connect the dots/coordinates and extend the line

When it is 8:00 a.m. in damascus, it is 4:00 p.m. in vladivostok. if your plane departs from vladivostok at 10:45 a.m. local time and lands in damascus at 12:30 p.m. local time, how long was the flight? a. 1 hour, 45 minutes b. 5 hours, 45 minutes c. 9 hours, 45 minutes d. 13 hours, 45 minutes

Answers

The length of the considered flight in terms of time is given by: Option C. 9 hours, 45 minutes

What is local time?

Local time refers to the time of a particular region. The term local refers that whoever is noticing the time and calling it local time means that the person is telling about the time of the place where they're currently staying.

For this case, we're provided that:

When its 8:00 a.m. Damascus it its 4:00 pm in Vladivostok, so the time in Vladivostok is 8 hours ahead of Damascus (or 16 hours behind).

Assuming its 8 hours ahead, as the plane departs from 10:45 am from Vladivostok, and lands in Damascus at 12:30 pm, so 12:30 pm + 8 hours gives 8:30 pm in Vladivostok.

So, the plane departed at 10:45 am of Vladivostok and lands at 8:30 pm in Vladivostok, so it took 9 hours and 45 minutes for his flight to go from Vladivostok to Damascus. (since difference between 8:30 pm and 10:30 am (from 10:30 am to 8:30 pm) is of 9 hours 45 minutes)

Thus, the length of the considered flight in terms of time is given by: Option C. 9 hours, 45 minutes

Learn more about timezones here:

https://brainly.com/question/4054255

Answer:

When it is 8:00 a.m. in Damascus, it is 4:00 p.m. in Vladivostok. If your plane departs from Vladivostok at 10:45 a.m. local time and lands in Damascus at 12:30 p.m. local time, how long was the flight?

a.   1 hour, 45 minutes

b.   5 hours, 45 minutes

c.   9 hours, 45 minutes<<< CORRECT

d.   13 hours, 45 minutes

Step-by-step explanation:

2022 Edge TOPIC TEST

simplify ( 1 - i ) ( 1 - i ) or ( 1 - i ) ^ (2)​

Answers

Answer:

-2i.

Step-by-step explanation:

( 1 - i ) ( 1 - i )

= 1(1 - i) - i(1 - i)

= 1 - i - i + i^2

Now i^2 = -1 so we have:

1 - 2i - 1

= -2i        

Herbert got a 76 on his last unit test. If he increases his score by 30% on the next test, what will his new score be?

Answers

76 multiplied by 30 divided by 100 is the answer

somebody help me this is hard for me

Answers

Answer:

[tex]\huge\boxed{\bf\: \frac{1}{3}\rightarrow probability}[/tex]

Step-by-step explanation:

Given,

Total number of marbles = 6Number of blue marbles = 2Number of yellow marbles = 1Number of red marbles = 3

We are asked to find the probability of choosing a blue marble if they are randomly chosen. Then,

Probabilty of a blue marble

= Number of blue marbles / Total number of marbles

= 2/6

= 1/3

[tex]\rule{150pt}{2pt}[/tex]

Nance is riding her bike to a friends house 4 and 1/2 miles away. She’s riding2 and 3/5 miles. How much farther does she need to ride.

Answers

Answer:

1 4/5 miles :)

Step-by-step explanation:

We first need to get them at a common denominator :)

4 1/2 = 4 5/10

2 3/5 = 2 6/10

Now we subtract :)

4 5/10 = 3 14/10

3 14/10 - 2 6/10 = 1 8/10 = 1 4/5

Have an amazing day!!

Please rate and mark brainliest!!

Nance still needs to ride 1 and 9/10 miles to reach her friend's house.

What is speed?

Speed is a measure of how quickly an object moves from one place to another. It is defined as the distance traveled by an object per unit of time, and is often represented by the symbol "v". The formula for speed is:

Speed = Distance/Time

Nance is riding her bike to a friend's house that is 4 and 1/2 miles away. She has already ridden 2 and 3/5 miles. To find out how much farther she needs to ride, we can subtract the distance she has already ridden from the total distance:

Total distance = 4 and 1/2 miles

Distance already ridden = 2 and 3/5 miles

Total distance - Distance already ridden

4 and 1/2 - 2 and 3/5 = 9/2 - 13/5 (we need to get a common denominator)

= (45/10) - (26/10)

= 19/10

Therefore, Nance still needs to ride 1 and 9/10 miles to reach her friend's house.

To know more about speed follow

https://brainly.com/question/29150143

#SPJ7

At a carnival game, you may win an inflatable crayon, you may win a small stuffed animal, or you may win nothing at all. If the probability of winning nothing is 0.72 and the probability of winning a small stuffed animal is 0.19, what is the probability of winning an inflatable crayon? Express your answer as a decimal.

A:0.91
B:0.28
C:0.09
D:0.81

Answers

Answer:

C:0.09

Step-by-step explanation:

probability of winning nothing = 0.72 = [tex]\frac{72}{100}[/tex]

probability of winning a small stuffed animal = 0.19 = [tex]\frac{19}{100}[/tex]

probability of winning nothing + probability of winning a stuffed animal

= [tex]\frac{72}{100}[/tex] + [tex]\frac{19}{100}[/tex] = [tex]\frac{91}{100}[/tex]

probability of winning an inflatable crayon = 1 -  [tex]\frac{91}{100}[/tex]

                                                                      = [tex]\frac{100}{100}[/tex] -  [tex]\frac{91}{100}[/tex]

                                                                      = [tex]\frac{9}{100}[/tex]

                                                                      = 0.09

what is the equation of the line that hasthe solution "-2" and 4

Answers

Answer:

First you need to find the slope:  (y2 - y1)/(x2 -x1) = (-4 -(-4))/(0-2) = 0.  So the line is horizontal, which means the y coordinate is constant and equal to -4, so the equation of the line is y = -4.

Step-by-step explanation:

since both points have a y value of -4 you could have jumped directly to y = -4

What is the average rate of change?

A. 4

B. 2/5

C. 1

D. 2​

Answers

Answer:

C) 1

Step-by-step explanation:

The average rate of change remains constant among the 3 given points as [tex]\frac{5-4}{2-1}=1[/tex] and [tex]\frac{10-5}{7-2}=1[/tex], so your answer is C

A Lorry travels for 4 hours at a speed of 58km/h . Work out the travel distance

Answers

Answer: The answer is 9.00988 mi/h

Step-by-step explanation: to be simplified it would be 9.0 or 9 miles an hour

Anna and Jack make lemonade. Anna uses 2 cups of lemon juice with 9 cups
of
water. Jack uses 3 cups of lemon juice with 15 cups of water. Whose lemonade
has a stronger lemon taste?

Answers

Answer: Anna

Step-by-step explanation:

        First, I will create proportions.

Anna: 2 lemon : 9 water

Jack: 3 lemon : 15 water

        Next, I will simplify them.

[tex]\frac{2}{9}[/tex] = Already simplified

[tex]\frac{3}{15}[/tex] = [tex]\frac{1}{5}[/tex]

        Now I will give them common denominators and compare. Anna's has a larger lemon to water ratio, so Anna's will have a stronger lemon taste.

[tex]\frac{2}{9}[/tex]  * [tex]\frac{5}{5}[/tex] = [tex]\frac{10}{45}[/tex]

[tex]\frac{1}{5}[/tex] * [tex]\frac{9}{9}[/tex] = [tex]\frac{9}{45}[/tex]

Anna because it had less water

how far away is {-4,-6} away from {5,-6} on a coordinate grid

Answers

Answer:

(-4, -6) and (5, -6) are 9 units away from each other on a coordinate grid.

Step-by-step explanation:

Use the distance formula:

[tex]\displaystyle d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

We are given the points (-4, -6) and (5, -6). Substitute these points into the formula:

[tex]d = \sqrt{(5-(-4))^2+(-6-(-6))^2}[/tex] [tex]d=\sqrt{(5+4)^2+(-6+6)^2}[/tex] [tex]d=\sqrt{(9)^2+(0)^2}[/tex] [tex]d=\sqrt{9^2}[/tex] [tex]d=9[/tex]

The distance between (-4, -6) and (5, -6) on a coordinate plane is 9 units.

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