where x is the value, 4 is the mean,
The formula for a z-score is z =
(x-0)
44
and o is the standard deviation.
A. True
B. False

Where X Is The Value, 4 Is The Mean,The Formula For A Z-score Is Z =(x-0)44and O Is The Standard Deviation.A.

Answers

Answer 1

Answer:

False

    [tex]Z = \frac{x-mean}{S.D}[/tex]

   Z = x - μ /σ

Step-by-step explanation:

Explanation

The given mean of the Population= μ

Given the standard deviation of the Population(S.D) = σ

Let 'X' be the random variable in a normal distribution

Z-score

     [tex]Z = \frac{x-mean}{S.D}[/tex]

   Z = x - μ /σ

Answer 2

Answer:

true

Step-by-step explanation:


Related Questions

pls help with this math question

Answers

Answer:

its x>-249

Step-by-step explanation:

this should be the answer cause x is 0 on the line and the 249 is negative so its much less than 0

The diagonal of a rectangle is 17 units long, and one side is 15 units long.
How many units squared is the area of the rectangle?

Answers

120
Use the Pythagorean theorem a^2+b^2=c^2
17^2-15^2=64 Square root of 64 is 8
8x15 is 120

Enter an algebraic equation for the word sentence. Use x as your variable.
90 is five times a number.
The equation is

Answers

Answer:

5X=90

Step-by-step explanation:

5x=90

5x=90

5    5

x=18

Can someone help me calculate angles? P3

Answers

Answer:

the little box would indicate that it is a 90 degree angle.

Answer: 50

Step-by-step explanation: to find CXF all you need to do is 90-40

Rachel is stuffing envelopes. She has eight hours to complete the task, and there are 1,500envelopes. The first hour, Rachel stuffs 135 envelopes. The second hour she stuffs 141 envelopes. How many envelopes will Rachel need to stuff in order to finish the job?

Answers

Physiological (1 point)
The processes and functions of the body
The processes of the mind
Social needs, social behaviors, and social problems
Otraits that increase the possibility of developing an illness or disease

HELP ASAP due in 1 hour

Answers

They are same side interior angles

Answer: Same Side Interior Angles

Step-by-step explanation:

Imma help you eliminate the options.

-These angles are inside the parallel lines, meaning that they have to be interior angles. That eliminates any answers involving exterior angles. Next, simply by definition, it wouldn't be corresponding. Finally, alternate interior angles is eliminated because the angles are on the SAME SIDE of the transversal, meaning that Same-Side interior angles is the answer.

What is the least common denominator of the equation 2/9x+2/3 x=7?
O 3
09
O 27
O 63

Answers

Answer: Nine I think

Step-by-step explanation: maybe because 3x3 would equal 9 and 9x1 equals 9

An organization has a goal to raised $50,000 for a scholarship fundraising project. They have raised 60% of their goal. What percentage is remaining to reach their goal? I don’t understand this one tho

Answers

Answer:

So if 60% of the 100% they have hopes to acheive is done, 40% of the remaining funds are left to achevie. I know, such questions are so simplistic you wonder if they are tricking you

Step-by-step explanation:

Nicole wants to paint this figure on her wall in her bedroom. If paint cost $4.59 per square unit, how many square feet of paint will it take to cover this figure?

A.27.54
B.6 sq ft
C.8 sq ft
D.5sq ft

Answers

Answer: C.8 sq ft hope this helps:)

Find the x and y intercept of the line. x = 2 need in 10-15 minutes PLEASE

Answers

Answer:

x-intercept: (2,0)

y-intercept: This line doesn't cross the y-axis.

Maria's bill for lunch was $12.25. How much would her tip be if she leaves a 20% tip?

Answers

Answer:

$2.45

Step-by-step explanation:

First, we find how much 20% of 12.25 is:

we can convert 20% directly to a decimal:

20% = 0.2  

Then we find

20% of 12.25 = 0.2 x 12.25 = 2.45

So Maria's tip would be $2.45

find the value of x if √x-5=0.

Answers

Answer:

√x=√25.......x=5

Step-by-step explanation:

√25-5=0

5-5=0

Answer:

√x-5=0

√x=5

squaring both side

√x²=5²

x=±25

In a cooking class there are 9 women and 3 men. Find the ratio of women to men.

Answers

Answer:

9 women for every 3 men

Written as: 9:3

Can be simplified to 3:1  (9:3/3)

3 women to 1 man

Need some help with Geometry

Answers

Answer:

x = 42 degrees

y = 14 degrees

Step-by-step explanation:

Solve for x

180 - 96 = 2x

2x = 84

x = 84/2

x = 42

Solve for y

180 - 94 - 44 = 3y

3y = 42

y = 42/3

y = 14

(21÷7)×4 What is the Answer?

Answers

Answer:

12

Explanation:

21 ÷ 7 × 4

21 ÷ 7 = 3

3 * 4 = 12

Answer:

12

Step-by-step explanation:

So..... multiplication can be done at the same time as division, so we don't have to worry about the order of operations :)

so, 21 divided by 7 is 3

then, you multiply 3 by 4, which is 12

and btw, I also found another methoddddddddddddd

you can do, 21 times 4, which is 84, divided by 4 times 7, which is 28

84 divided by 28 is 3

then you multiply it by 4, it gives 12

and btw, that also works for other numbers too!!!!!!!!!!!!

I NEED HELP PLZ I WILL GIVE THANKS AND BRAINLIST

Answers

Answer:

No it is not a solution

Step-by-step explanation:

Key skills needed - One variable equations

1) We look at the equation, y = 4x+ 1, and see the scholar's work.

2) The scholar did everything correctly, and at the end got 9 = 13.

3) This statement is FALSE, so it would be the 2nd option (No it is not a solution)

Hope this helps and have a nice day!! :D

please help, can't understand.

Answers

Step-by-step explanation:

Angle ACO = 140° - x. (Sum of angles in a triangle is 180°)

Now draw the line OD. The triangles ODC and OBC are congruent via the SSS congruence property. (OD and OB are both the radius of semicircle, common side OC, and side CD = CB is given)

Hence Angle BCO = Angle ACO = 140° - x.

Since triangle OBC is an isosceles triangle with OC = OB, this means that Angle CBO is also 140° - x.

By Exterior Angle theorem,

we have Angle AOC = Angles BCO + CBO

=> x = (140° - x) + (140° - x)

=> 3x = 280°

=> x = 280°/3. (B)

is -9 greater than -10

Answers

Answer:

yes -9 Is greater than -10

i don’t understand i need help please

Answers

Answer:

Step-by-step explanation:

You need to make a shape that is the same shape and size to the triangle on the page.

using the slope formula, find the slope of the line through the given points (8,0) and (2,-4)

Answers

Answer:

m=2/3

Step-by-step explanation:

the equation for slope (m) is (y2-y1)/(x2-x1)

here are the given points: (8,0) and (2,-4)

label the points

x1=8

y1=0

x2=2

y2=-4

substitute into the equation

m=(-4-0)/(2-8)

m=-4/-6

m=2/3

the slope is 2/3

Fill in the blank to create a true equation:

-27 + _ = 0

7 + _ = 0

-3 + _ = +1

-7 + _ = -1

Answers

Answer:

27

-7

4

6

Step-by-step explanation:

Mental math.........

Answer: I do not know

Step-by-step explanation:

I dropped out of 2nd grade

Given the function f described by f(z)= 3z^(2) +10z-6, find the function values.

f(-9)=

Answers

Answer:

Step-by-step explanation:

f(z)=3(-9)^2+10(-9)-6

f(z)=3(81)-90-6=243-96=147

Elena needs to prove angles BED and BCA are congruent. Provide reasons to support each of her statements.
B
m D
E
E
А
С
Angles BED and BCA are congruent.

Answers

In triangle BDE and triangle BACAngle B = Angle B (Common) Angle BDE = Angle BAC Therefore, triangle BDE is congruent to triangle BAC (AA similarity) Hence proved.

Hope it helps :)

Solve 2^x+1=1/8
The solution is x =

Answers

It might be X € R but I am not sure

Math division help if can

Answers

Answer:  A. 2 17 /21

Step-by-step explanation:you divide them.You change both mixed number to improper fraction.which is 236  /9  divide  28 /3.You do kcf which stand for KEEP CHANGE FLIP.YOU KEEP 236/9 and change Divide to mulipction sign and flip 28/3 to 3/28.You multiply236  /9  and  28/3 which gives u 708  /252.After that u simply it to 59 /21 .Lastly change back to mix number which is 2 17/21.

Hope it helps bye ;)

What is the value of C in this formula?

Answers

52 is the value for c

Compare the values.
9x 102 is
?
times as much as 3 * 10-2,
6 x 10°
3 x 10-4
6 x 104
3 x 104

Answers

Answer: its 3 x 10^4

Step-by-step explanation:

i got it correct on my test

Answer: 3 x 10^4

so the third option hope this helps.

15 Points :p
Which of the following expressions would give a sequence with a first term of 2 and a common difference of 5? 2 - 5 n 2 n - 5 5 n - 3 5 n + 2

Answers

9514 1404 393

Answer:

  5n -3

Step-by-step explanation:

Try n=1 in each expression and see which gives you a first term of 2.

  2-5n = 2-5·1 = -3

  2n -5 = 2·1 -5 = -3

  5n -3 = 5·1 -3 = 2 . . . . . this is the expression you want

  5n +2 = 5·1 +2 = 7

__

Additional comment

For a common difference of 5, the coefficient of n must be 5. The second answer choice fails on that count also.

Answer:

5n-3

Step-by-step explanation:

hiii please help i’ll give brainliest if you give a correct answer ty!!

Answers

Answer: 45 cups of flower

Step-by-step explanation:

Hi, you can use a proportion to solve this problem, so you start of by setting up the proportion:

Step-by-step explanation:

To start, create a ratio for flour to chocolate chips

flour : chocolate chips

5 cups : 3 cups

5:3

Now create a ratio with x amount of flour to 27 cups of chocolate chips

x cups of flour: 27 cups of chocolate chips

x: 27

Rewrite the ratios as fractions equivalent to each other

[tex]\frac{5}{3}[/tex] = [tex]\frac{x}{27}[/tex]

Cross multiply

5(27) = 3x

135 = 3x

135/3 = 3x/3

45 = x

45 cups of four would be needed

I hope this helps!!!!!

Help, I need to know the area of this.

Answers

Answer:

300ft^2

Step-by-step explanation:

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