A home business has an average income of $900.00 per month with a standard deviation of $15.00. If the income in a given month is $930.00, what z-score corresponds to this value?

Enter the answer to the nearest tenth. Z= ?

Answers

Answer 1

Answer:

2.00

Step-by-step explanation:

Z score is a statistical that corresponds to the standardization of the regular score to a normal distribution

The formula for Z score is Z = [X - mean ]./ (standard deviation)

Here X = 930.00; mean = 900.00; and standard deviation = 15.00

Then, Z = [930.00 - 900.00] / 15.00 = 30.00 / 15.00 = 2.00


Related Questions

Calculating permutations can be used in all of following except _____.

seating arrangements at a wedding
survey results
assisting computer programmers
placing items into a display

Answers

Answer:

Option C,  

Calculating permutations can be used in all of following except assisting computer programmers

Step-by-step explanation:

Permutations is basically used in cases where there is some sort of patterning involved in it.

In case of seating arrangements at a wedding, survey and placing items into a display some kind of pattern will be followed.

Hence, option C

Answer:

survey results

Step-by-step explanation:

I got it right

The length of the sides of a triangle is given. Determine
whether or not the triangle is right, acute, or obtuse.
6, 8, 10
a Right
b Acute
Obtuse

Answers

Answer:

The triangle is a right triangle

Step-by-step explanation:

For the triangle to be right, Pythagoras’ theorem must be obeyed

According to the theorem, the square of the longest side (the hypotenuse) equals the sum of the squares of the two other sides

Now, from the given side lengths, the highest value is 10;

squaring this, we have 10^2 = 100

Squaring and adding the other values, we have

6^2 + 8^2 = 36 + 64 = 100

This mean the values are equal and the Pythagoras’ theorem is obeyed

Hence, we can conclude that the triangle with the given side lengths is a right triangle

to make a sports drink for a football team, jaylen filled 9/10 of a large cooler with water. then he filled the remaning space with 6 cups of sports drink concentrate.
How many gallons of sports drink did Jaylen make?

Answers

Hello!

Assuming that we are using U.S. terms, there are sixteen cups in a gallon.

We can assume that there are six cups per tenth of the cooler. Our first job is to multiply 6 times 10 to get the amount of cups of sports drink.

6 · 10 = 60.

Now we need to find out how many gallons of sports drinks there are. To find how many cups go into a gallon, we divided 60 by 16.

60 ÷ 16 = 3.75

So, for our final answer,

Jaylen made 3.75 gallons of sports drink. (3 [tex]\frac{3}{4}[/tex])

waffletowne

is this quadrilateral a parallelogram?If yes, state the definition or theorem that justifies your answer.​

Answers

Answer:

no the quadrilateral isn't a parallelogram

Step-by-step explanation:

For it to be a parallelogram, the opposite sides must be parallel to each other and in this case it's not.

Solve the following equation using the quadratic formula.

3x^2+7x+8=6

Answers

That’s the answer

x = - 1/3, -2

HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP

Answers

Positive correlation. But the graph does not imply causality.

Positive correlation, because days where more batteries were sold, they also sold more CDs.

There is not causality, because selling more batteries does not automatically mean they will sell more CDs.

Answer:

B

Step-by-step explanation:

It is a positive correlation and it has a causation

PLEASE HELP
I WILL MARK BRAINLIEST♡

Can someone help me find the surface area?​

Answers

Answer:

152in !!! hope this helps :D

Step-by-step explanation:

side 1: 40in + side 2: 40in + bottom side:  24in + triangle side 1: 24in + triangle side 2: 24in

us
Complete the square
to find the vertex
of this parabola.
x2-14x+4y+29=0
( , )

Answers

Answer:

y=3x+29

Step-by-step explanation:

4y=12x+29

4y/4=12x+29/4

y=3x+29

Answer:

(7,5)

Step-by-step explanation:

17 and 18 please no links

Answers

Answer:

17) 135 degrees

Step-by-step explanation:

An octagon contains six triangle, or 1080 degrees, meaning each angle is 135 degrees.

Step-by-step explanation:

1. an octagon contain 6 triangles or 1080 degrees this means with 8 angles each angle is 135 degrees

Can someone pleaseeee help and if you’re correct i’ll give brainlist

Answers

A cube has 6 equal faces and 8 vertices and 12 edges

Sophia has $6,000 to invest. She is considering two investment options. Option A pays 2.2% simple interest. Option B pays 2% interest compounded annually. Use the drop-down menus below to choose which option is the best choice for Sophia for each number of years.

Answers

Answer:

Option A and option B

Step-by-step explanation:

Given that

Sophia wants to invest $6,000

There are two investment options

Option A pays 2.2% simple interest

and, Option B pays 2% interest compounded annually

Now we need to find out which option is the best choice

In the case when Sophia wants to invest for 10 years, so she should select

option A as the investment will have highest value.

In the case when Sophia wants to invest for 20 years, so she should select

option B as the investment will have highest value.

The difference of two numbers is 3. Their sum is 13. Find the numbers.

Answers

Answer:

5and 8 is the correct answer

hope it helps you have a good day

what is the area of the figure below?
35
41
46
51

Answers

46 is the correct answer

Can anybody help me?​

Answers

Answer:

im literally doing the same question , i hope someone helps us .  

Step-by-step explanation:

Answer:

G (0,5) i think

Step-by-step explanation:

A water bottle in the shape of a cylinder holds 1 litre of water when it's full. It's height is 15cm. Work out the radius of the water bottle (1litre=1000cm3)

Answers

Answer: 4.6 cm

Step-by-step explanation:

Given

Volume of water [tex]V=1\ L\ \text{or}\ 1000\ cm^3[/tex]

The height of the water is [tex]h=15\ cm[/tex]

The volume of the cylinder is [tex]\pi r^2h[/tex]

Insert the values

[tex]\Rightarrow 1000=\pi (r^2)15\\\\\Rightarrow r^2=\dfrac{1000}{3.142\times 15}\\\\\Rightarrow r^2=\dfrac{1000}{47.13}\\\\\Rightarrow r^2=21.217\\\Rightarrow r=4.6\ cm[/tex]

On a certain day, the temperature in Seattle was -5° and the temperature in Houston was 10°. How many degrees lower was the temperature in Seattle?

Answers

Answer:

15 degrees lower

Step-by-step explanation:

When you are trying to find the difference between a negative and positive number, add both numbers and you will get the difference. In this case it was 15.

Sorry, math isn't my strongest suit, but i hoped this helped!

Shape A,Shape B,Shape C and Shape D are nets for pyramids or prisms. Drag the name of each net to the correct container

Answers

Answer:

shape a and shape d are pyramids

b and c are prisms

X is a normally Distributed random variable with a standard deviation of 4.00. Find the mean of X when 64.8% of the area lies to the left of 8.52.

Answers

Answer:

7

Step-by-step explanation:

σ = 4 ; μ =?

8.52 to the left of X

.

P(X < 8.52) = 64.8%

P(X < 8.52) = 0.648

Using the Z relation :

(x - μ) / σ

P(Z < (8.52 - μ) / 4)) = 0.648

The Z value of 0.648 of the lower tail is equal to 0.38 (Z probability calculator)

Z = 8.52 - μ / 4

0.38 = 8.52 - μ / 4

0.38 * 4 = 8.52 - μ

1.52 = 8.52 - μ

μ = 8.52 - 1.52

μ = 7

HELP I HAVE 5 MIN
what is x?

Answers

Answer:

x = 42

Step-by-step explanation:

i hope this helps :)

Choose the measure that best represents the data. Explain your reasoning.

12, 15, 16, 18, 20, 90

Answers

The measure that would best represent the data set is 17. This because 17 is the mid range number making it not the smallest but not the biggest
Hope this helps!

Can someone help me I don’t quite understand ILL GIVE BRAINLY to whoever is right

Answers

Answer:

it is C if I am not mistkin

What is the parent equation for exponential growth and decay?

Answers

Answer:

Doing so allows you to really see the growth or decay of what you're dealing with. The basic parent function of any exponential function is f(x) = bx, where b is the base. Using the x and y values from this table, you simply plot the coordinates to get the graphs.

Step-by-step explanation:

Answer:

A = P x r^t

Step-by-step explanation:

A = Amount (e.g. number of organisms in population after certain period of time)

P = Principal/ Initial Value (e.g. the starting population)

r = rate as a decimal (e.g. if a population increases over certain period of time by 20%, r would equal 1.2)

t = time in whichever units you need.

Example of problem using formula:

A population of 2000 decreases by 20% every year, find the population size after 5 years.

A = ?

P = 2000

r = 0.8

t = 5

A = Pxr^t

A = 2000 x 0.8^5

A = 655.36

Hope this helped!

At a water park, 4 out of 20 tickets sold were child tickets. What percentage of the tickets were child tickets?

Answers

Answer:

20%

Step-by-step explanation:

Answer:

20%

Step-by-step explanation:

What is the slope of the line?

Answers

I used the points -1,-3 and 3,4

The slope I got was 7/4, so that should be the answer

What is the value of y when x = 0?

Answers

Answer:

0

Step-by-step explanation:

I am not sure you included the full question, but if it is a multiplication problem, the answer is 0.

0 is the answer bc that was all the info given

What does A equal?

What does A equal?


Please answer both of the question!!

Answers

Answer:

5. 32,000

6. 0.006

Answer:

1=d

2=D

Step-by-step explanation:

HELP ASAP PLEASE!!!!!! No links! Explanation please!!! Brainliest to whoever answers first!

Answers

I believe the answer would be 54. I could of course be wrong so if I am, please correct me

Will give brainliest to first right answer!!!!!!

Answers

Answer:

It is False

Hey bro Good Luck for exams!

Step-by-step explanation:

I think it's answer is false

What is 385,734 rounded to the nearest ten thousand?

Answers

Answer:

390,000

Brainliest?

Answer:

390,000.

Step-by-step explanation:

The ten thousand number is 8, and to the right of it is 5 so anything five and over is roundable, so 8 get rounded to 9.

PLEASE HELP ME!!!!! #4,5!!!!

Answers

The answer for question 4:
a) 3(3n-1)=9n-3
b) 9n-3=96
9n=96+3
9n=99
n=11

Answer:

4a) 9n - 3

4b) n = 11

Step-by-step explanation:

3(3n - 1)

9n - 3

9n - 3 = 96

9n - 3 + 3 = 96 + 3

9n = 99

9n ÷ 9 = 99 ÷ 9

n = 11

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