Suppose you have a mean = 12 and a standard deviation = 3. What is the probability that a data member, x, is above 18?

Answers

Answer 1

Answer:

I dont knowsorry


Related Questions

What can you tell about the mean of each distribution?

Answers

Answer:

I'm sorry I don't know ‍♀️

Answer:

b

Step-by-step explanation:

Need help I’ll give you brainly
Plzzz

Answers

Answer:

a) Circle

b) 7.816

c) 1000cm³

May I have Brainliest?

Hope that this helps!

I’ll mark brainliest for anyone who answers.

Answers

Answer:

Step-by-step explanation:

You have the right answer

Answer: Choice C) $31,045.50

========================================================

Work Shown:

p = number of items sold

855 = cost per item

855p = total revenue = total amount of money earned

6780 = total expenses

profit = revenue - expenses = 855p - 6780

profit = 855p - 6780

------------------

Now plug in p = 250

profit = 855p - 6780

profit = 855*250 - 6780

profit = 213,750 - 6,780

profit = 206,970 dollars

This is the profit the company makes in one month if p = 250 items are sold.

The CEO earns 15% of this profit, so,

15% of 206,970 = 0.15*(206,970) = 31,045.50

The CEO earns $31,045.50

Carmita bought 20 pizzas for a party, An hour after the party started, 2/7 of the pizzas had been eaten. How many pizzas had been eaten?

Answers

Answer: 5 5/7

Step-by-step explanation:

Number of pizza bought = 20

Fraction of pizza ate = 2/7

Therefore, the number of pizzas that have been eaten will be:

= Fraction of pizza eaten × Number of pizza bought

= 2/7 × 20

= 40/7

= 5 5/7

Therefore, 5 5/7 pizza have been eaten

WHOEVER ANSWERS FIRST GETS BRAINLIEST


A mechanic had 4 1/2 gallons of motor oil at the start of the day. At the end of the day, only 5 pints remained.

How many pints of motor oil did the mechanic use during the day?


4 pt

13 pt

19 pt

31 pt

Answers

Answer:

19

Step-by-step explanation:

i took the quiz

Please help this is due in 15 min and I have no clue how to do this. Any tips appreciated

Answers

Answer:

the valu of x is 21 degree.

9x-22=167 degree

5x-7=98 degree

arc HGJ=159 degree

arc GKJ=201 degree

Step-by-step explanation:

Hope it helps you!!


On the map, the south side of the park has a length of 20 centimeters. What is the actual distance, in kilometers of the south side of the south of the park

Answers

Answer: 25 kilometers for part A. 12 for part B.

Step-by-step explanation: Teacher told the answer.

A moving truck is 16 feet long, 10 feet wide, and 8 feet high. If there are two boxes I. The truck that are each2 feet cubes, how much space remains in the truck?

Answers

Answer:

The space remaining in the truck is 1,276 cubic feet

Step-by-step explanation:

Given that the dimensions of the haul of the moving truck are;

The length of (the haul) of the moving truck = 16 feet

The width of (the haul) of the moving truck = 10 feet

The height of (the haul) of the moving truck = 8 feet

The number of boxes in the truck = 2 boxes

The dimensions of the boxes in the truck = 2 feet cubes

From the given dimensions, we have;

The volume of the boxes, [tex]V_{boxes}[/tex] = 2 ft.³ + 2 ft.³ = 4 ft.³

The volume of the haul, [tex]V_{haul}[/tex] = 16 feet × 10 feet × 8 feet = 1,280 ft.³

The amount (volume) of space remaining, V = [tex]V_{haul}[/tex] - [tex]V_{boxes}[/tex]

∴ V = 1,280 ft.³ - 4 ft.³ = 1,276 ft.³

The amount of space remaining, V = 1,276 ft.³

3/7​% of a quantity is equal to what fraction of the​ quantity?

Answers

Answer:

3/700

Step-by-step explanation:

Let

x = the quantity

3/7% of x

= 3/7 ÷ 100 * x

= 3/7 × 1/100 * x

= (3*1)/(7*100) * x

= 3/700 * x

= 3/700x

3/7​% of a quantity = 3/700 of the quantity

Answer............plz

Answers

Answer:

2035

Step-by-step explanation:

Volume of a cylinder is 3.14 multiplied by the radius squared times height so

[tex]v =\pi \times r {}^{2} \times 18[/tex]

3.14*36*18

2034.75 rounded to 2035 cm

[tex]2035 {cm}^{3} [/tex]

The Stem-and-Leaf Plot and Box-and-Whisker Plot show the monthly temperatures for a city over the course of a year.



Which graph can be used to find the mode? What is the mode?

A
Stem-and-Leaf Plot, Mode: 78

B
Stem-and-Leaf Plot, Mode: 80

C
Box-and-Whisker Plot, Mode: 78

D
Box-and-Whisker Plot, Mode: 58.25

Answers

Answer:

It's A.

Step-by-step explanation:

I got it right

Find the area of the figure shown. Please help!!!

Answers

Answer:

See attached image!

Step-by-step explanation:

AFTER HALLOWEEN, PUMPKINS WERE 25% OFF. AMY BOUGHT 2 BIG PUMPKINS THAT WERE ORIGINALLY $7 EACH. HOW MUCH DID SHE SPEND (BEFORE TAX)? follow madsnono on tiktok

Answers

Answer:

$ 10.50

Step-by-step explanation:

we can use a proportion to answer this question

25 : 100 = x : 7

x = (25 * 7)/100 = $1.75 (value of the discount)

Final price = 7 - 1.75 = $5.25

she bought two = 5.25 x 2 = $10.50

Answer:

If both pumpkins are 7 dollars in total than it would be 5.25 if its 7 dollars each and a discount on each it would be 10.5

Step-by-step explanation:

ill give brainlist just answer correct

Answers

Answer:

16

Step-by-step explanation:

What are the coordinates of the vertex of y=x²+4x+3?​

Answers

Answer:

(-2, -1).

Step-by-step explanation:

y = x² + 4x + 3

Completing the square:

y = (x + 4/2)^2 - (4/2)^2 + 3

y = (x + 2)^2 - 4 + 3

y = (x + 2)^2 - 1.

This is vertex form and the coordinates of the vertex are (-2, -1).

If a line has a slope of -4, what is the y-intercept if it also passed through the point (-2, 7)?

Answers

Answer:

As slope is found by and our points are ( ) ( ) for the minimum and maximum heights, respectively, we can reason that the slope of the best fit line should be While this is by no means a perfect slope, it does provide us with a good estimate for the actual slope of the best fit line.Using the information, our equation has only one more variable ...

Step-by-step explanation:

Answer:

-1

Step-by-step explanation:

y=mx +c

y= -4X + c

7 = -4 x -2 + c

7= 8 + c

7-8 = c

-1 = c

Solve for x.

A) 13
B) 26
C) 11

Answers

Answer:

13

Step-by-step explanation:

Once again we are looking at inscribed angles and intercepted arcs. Like stated previously an inscribed angle is equal to half its intercepted arc

That being said we want to create an equation to solve for x

The equation would be 7x + 5 = 192/2

We now solve for x

step 1 simplify

192/2=96

now we have 7x + 5 = 96

step 2 subtract 5 from each side

5 - 5 cancels out

96 - 5 = 91

7x = 91

step 3 divide each side by 7

7x/7 = x

91 / 7 = 13

we're left with x = 13

Which expression is NOT a polynomial?

Answers

Answer:

The last expression.

Step-by-step explanation:

The last expression is not a polynomial because x is in the denominator of the second term.

Answer:

[tex]4x^2+\frac{5}{x} -6[/tex]

Step-by-step explanation:

A rule for polynomials, is that if they have variables, the powers should be positive whole numbers. Basically, this means you cannot divide by a variable, but in option 4, second term, you are dividing 5 by x, which is the same as[tex]5*x^{-1}[/tex]. This means you are not raising the variable to a positive power, which means the whole 4th option is not a polynomial.

A boat is spotted in the water with an angle of depression of 25degrees from the top of a lighthouse that is 89 feet tall. How far away , to the nearest foot, is the boat from the lighthouse ?

Answers

Answer:

191 Feet.

Step-by-step explanation:

Answer: Your answer should be 191!

hello please help i’ll give brainliest

Answers

Answer:

C

Step-by-step explanation:

use the pythagorean theorem to find the value of x.​

Answers

Answer:

6.9 cm

Step-by-step explanation:

hyp² = adj² + opp²

Answer:

x = 6.93 cm

Step-by-step explanation:

Pythagorean theorem: c = [tex]\sqrt{a^2 + b^2}[/tex]

C is the hypothenuse, the longest side of a right angled triangle.

Here c = 8, 4 =a, b = x.

[tex]8 = \sqrt{(4)^2+(b)^2}[/tex]

[tex]64 = (4)^2 + (b)^2[/tex]

[tex]64 = 16 + (b)^2[/tex]

[tex]b^2 = 48\\b = \sqrt{48} = 6.93 cm[/tex]

What is the probability that the block he pulls out will be yellow?
A. 1/4
B. 1/3
C. 3/1
D. 4/1​

Answers

Answer:

The probability that he will pull out a yellow block it 1/4.

Step-by-step explanation:

There are 4 blocks in the bag, each a different color. Since there is only one yellow out of 4 different blocks, the fraction would be 1/4.

Hope this helps!

find the volume of a rectangular pyramid with the height of 9 length of 8 and width of 6

Answers

Answer:

V = 144 cm^3

Step-by-step explanation:

V = (lwh)/3

V = (8 x 6 x 9)/3

V = 144 cm^3

anyone know this one?? help please please ASAP ♡

Answers

Answer:

y=1/2x+3.5

Step-by-step explanation:

look at any part of your slope where it crosses through a point: now go up your slope until you find the next point that the slope intersects. from your first point A, go up, then over until you reach point B. you just found your fraction for m. congrats

Find the surface area of the prism. Please help this is over due

Answers

Answer:

171.125

Step-by-step explanation:

help please thank you

Answers

Answer:

This ratio is not proportional. (๑・ω-)~♥”

I’m pretty sure it’s B but I’m not 100% sure but that’s what I would put!

What is the solution of the quadratic equation.
Equation: 2x + 7x - 5= 10

Answers

Step-by-step explanation:

2x+7x-5=10

2x+7x= 10+5= 15

2x ×9=15

2x =15-9=5

x=5/2=2.5

hope it helped

i need to find the square root of √16

Answers

the square root of 16 is 4

Answer:

4

Step-by-step explanation:

I don't know how to explain this other than use a calculator.

Hope that this helps!

WHAT IS

x=0.7+24


A-14
B-56
C-80
D-10



PLEASE

Answers

the answer is 80 hope this helps

PLEASE ANSWER CORRECTLY, I WILL GIVE BRAINLIEST <3 THANKS IN ADVANCE!

Answers

Answer:

1 : 15

2: 12

3: 52

4: 27.3

Step-by-step explanation:

For #1:

if line m and n are perpendicular then they will create right angles

Right angles have a measure of 90 degrees

That being said we can find the measure of the missing angle by subtracting the measure of the known angle (75) from 90

so k = 90 - 75

90 - 75 = 15

Hence k = 15.

For #3 ( very similar to #1, only difference is the values of the angles )

so R = 90 - 38

90 - 38 = 52

Hence, R = 52

For #2 and #4

Complementary angles have a sum of 90°

So like the previous questions we can find the measure of the missing angle by subtract the measure of the given angle from 90

∠V = 90 - 78

90 - 78 = 12

Hence ∠V = 12

∠Y = 90 - 62.7

90 - 62.7 = 27.3

Hence ∠Y = 27.3

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How does the division between the narrators changing perception of himself and how others perceive him relate to the themes of blindness and invisibility?2. How does the narrators briefcase encapsulate his history, both culturally and over the course of the novel? Consider the contents of the briefcase at the end of the book. What might the briefcase tell us about the narrators identity as an individual and as a Black man?3. In the book Invisible Man, how does racism influence the narrators search for identity? Consider the systems that influence the actions and intentions of both Black and White characters over the length of the novel (including the narrator, himself.)4. In recalling his grandfathers dying words, the narrator is forced to confront the idea that other people may be masking an ulterior motive or a hidden truth. Why is the narrator seemingly so unable to see others true motives, behind their masks, even after he has been fooled on many occasions? 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Los bomberos (poner) 7._______ una escalera cerca de la ventana de la habitacin de Pablito. El nio y el perrito (bajar) 8._______ la escalera de prisa. Los dos (escaparse) 9._______ del incendio.Completa el prrafo con el verbo correcto del PRETRITO o el IMPERFECTO. SOLAMENTE escribe el VERBO conjugado y MINSCULO (lowercase!).Puedes usar esto para usar en tu respuesta: Desafortunadamente, el incendio (destruir) 1._______ todo el edificio de apartamentos pero afortunadamente nadie (morir) 2._______ . S, (haber) 3._______ varias personas heridas. Pero las heridas (estar) 4._______ felices porque no murieron en el incendio. Los bomberos (apagar) 5._______ el incendio rpidamente. Sin duda, el perrito valiente recibir una medalla. Al da siguiente, un noticiero de televisin (anunciar) 6._______ que Guau (ser) 7._______ el perro ms valiente de todo el mundo. Guau (ser) 8._______ un verdadero hroe. 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