The length of time it takes to find a parking space at 9 A.M. follows a normal distribution with a mean of 4 minutes and a standard deviation of 3 minutes.

Sixty percent of the time, it takes more than how many minutes to find a parking space?

Answers

Answer 1

Answer:

3.24 minutes

Step-by-step explanation:

Use a calculator or chart to find the z-score.

P(Z > z) = 0.60

P(Z < z) = 0.40

z = -0.253

Find the time associated with the z-score.

z = (x − μ) / σ

-0.253 = (x − 4) / 3

x = 3.24


Related Questions

HELP PLEASEEE!!!Determine whether or not each relationship represents a function. Explain your reasoning for the graph and also for the table.
y
-2
5
1
4
0
3
2
4

Answers

Answer:

It's not a function

Step-by-step explanation:

Due to the fact that at one x point there are multiple y values so this cannot be a function. The graph also does not pass the vertical line test, therefore it is not a function.

1. The graph is not represent a function.

2. The table shown in figure is represent a function.

What is Function?

A relation between a set of inputs having one output each is called a function.

Given that;

The graph is shown in  shown in figure.

And, In the table;

Value's of x are - 2, 1 , 0 , 2

And values of y are 5, 4 3 , 4

Now,

To check the graph is the function or not, we use vertical line test.

If the vertical line draw parallel to y - axis and it cuts more than one points in the graph, then the graph is not a function.

Here, When we draw a vertical line which is parallel to y - axis then it cuts more than one point, so it is not a function.

Thus, The graph is not represent a function.

2. In the table;

Value's of x (input) are - 2, 1, 0, 2.

And values of y (output) are 5, 4, 3, 4.

Clearly, Every input have exactly one output.

So, By definition of function;

The table shown in figure is represent a function.

Therefore,

1. The graph is not represent a function.

2. The table shown in figure is represent a function.

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The three Miller boys were calculating the volume of their new fish tank to determine how many gallons of water the tank can hold. Each brother measured a different dimension of the tank. Their measurements were 1 yard in length, 1 foot in width, and 18 inches in height.

1. There are approximately 7.5 gallons per cubic foot. If you want to know how many gallons of water the tank can hold, what unit of measure would you use to calculate the volume of the fish tank? Explain why

2. Determine how many gallons of water the fish tank can hold. Carefully show your work and include units of measure.​

Answers

9514 1404 393

Answer:

ft33.75 gal

Step-by-step explanation:

1. The conversion factor is given in gallons per cubic foot. So, to avoid more conversion factors than necessary, it is convenient to use feet as the unit of measure.

__

2. The dimensions are ...

  1 yd × 3 ft/yd = 3 ft . . . . length

  18 in × 1 ft/(12 in) = 1.5 ft . . . . height

So, the volume is ...

  V = LWH = (3 ft)(1 ft)(1.5 f) = 4.5 ft³

Then the number of gallons is ...

  (4.5 ft³)×(7.5 gal/ft³) = 33.75 gal

Which function describes this graph?

Answers

Answer:

f(x) = 2x

Step-by-step explanation:

High Hopes^^

Barry-

can someone help me. this is geo. if you could help that would mean to me

Answers

Answer:

1.) x = 37

2.) m<SVW = 74 deg

3.) m<TWV = 106 deg

Step-by-step explanation:

Linea SY and TZ are shown to be parallel.

Angles SVW and TWV are same-side interior angles.

Theorem:

If parallel lines are cut by a transversal, then same-side interior angles are supplementary.

m<SVW + m<TWV = 180 (by the definition of supplementary angles)

2x + 3x - 5 = 180

5x - 5 = 180

5x = 185

x = 37

m<SVW = 2x = 2(37) = 74

m<TWV = 3x - 5 = 3(37) - 5 = 111 - 5 = 106

Answer:

1.) x = 37

2.) m<SVW = 74 deg

3.) m<TWV = 106 deg

Pls help I need this in 2 min!

Answers

Answer:

16

Step-by-step explanation:

on the number line it would be 9 and 7 on the same side because -7in () would be +7  and than you add it it would be 16

Simplify: 2x + 9 - 17x - 15 -x​

Answers

Answer:

1

Step-by-step explanation:

2x + 9 - 17x - 15 - x =????

2x - 17x - x + 9 - 15 = 0

- 15x - x - 16 = 0

- 16x - 16 =0

-16x = 16

x = 16 / - 16

x = 1

I’ll give brainliest

Answers

The picture is kind of blurry and I can’t make out the formulas. /:

A pack of 8 AA rechargeable batteries costs $21.20. What is the cost per battery, in dollars and cents?

Answers

Answer:

2.65

Step-by-step explanation:

21.20 ÷ 8 = 2.65

Jose bought 24 chicken wings for $38.40. What's the unit cost of one wing? (I would love to do this myself but, I'm really bad at math.)

Answers

The unit cost of one wing of chicken is: $38.40/24 = $1.6.

What is Unit Cost?

Unit cost can be defined as the cost of one unit of a quantity, that is, how much can by a unit measure of whatever is being sold.

To find the unit cost, divide the total cost over the number of unit items.

Cost of 24 chickens = $38.40

Unit cost = $38.40/24

Unit cost = $1.6.

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If the x-intercepts are (-5,0) and (3.0), then the x-coordinate of the vertex is
Then I also know the equation of the axis of symmetry is

Answers

If this is for a parabola, then the x-coordinate is -1, since it is directly in the middle of -5 and 3, with 4 spaces on each side (symmetry). The equation is just x = -1 since it just shows the equation of the vertical line which splits the parabola into two equal parts

At the beginning of school you set-up a 4 digit pin to get into your My Payments Plus account, however you have not used your account since you set it up and forgot the number. You remember that the first number was a 4 and the second number was either a 6, 7, 8, or 9. You had no idea what the last two numbers were. How many different combinations are possible?

Answers

Answer:

Given that only the first digit and a range of four possible numbers for the second digit of the four digit pin number are remembered, the number of different possible combinations are 400 (possible combinations)

Step-by-step explanation:

The given information are;

The number of digits contained in the pin = 4 digits

The number of digits that can be the first number = 1 (given that the first digit is 4)

The number of digits that can be the second number = 4 (6, 7, 8, or 9)

Therefore, we have;

The number of digits that can be the third number = 10 (0, 1, 2, 3, 4, 5, 6, 7, 8, or 9)

Similarly, the number of digits that can be the fourth number = 10

Therefore, the total number of possible combinations are;

1 × 4 × 10 × 10 = 400 possible combinations.

A boy band has released two albums.

Answers

Soooooo.......

What happened next?

what is the question?

ZLMN is a straight angle.
Find mZLMP and mZNMP.
(-16x + 13)-20x + 23)
M
N
27
m/LMP
m NMP =

Answers

Answer:

Step-by-step explanation:

-16x+13+-20x+23=180

-36x+36=180

-36x=144

X=-4

Then put -4 in -16(-4) + 13 = 77

Answer is 77

The angle LMP will be 75.22° and the angle NMP will be  104.77°.

What is an angle?

An angle is a geometry in plane geometry that is created by 2 rays or lines that have an identical terminus.

The identical endpoint of the two rays—known as the vertex—is referenced as an angle's sides.

In another word, the angle is the measurement of the angular distance for example for linear motion we have a meter inch but for angular rotation, we don't have the measurement so the angle is useful to measure the angular rotation.

∠LMN = ∠ LMP + ∠NMP

Since ∠LMN = 180°

So,

∠ LMP + ∠NMP = 180

-16x + 13 - 20x + 23 = 180

-36x + 40 = 180

36x = -140

x = -3.88

So,

∠ LMP = -16(-3.88) + 13 = 75.22°

So,

∠NMP = 180 - 75.22 = 104.77°

Hence "The angle LMP will be 75.22° and the angle NMP will be  104.77°".

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True or False
The greater (the absolute value of) the slope, the steeper the line.

Answers

Answer:

true

Step-by-step explanation:

Yes it is true!!!!!!!!!!!!!

50°
25°
12x - 3
Find the x

Answers

Answer:

X=-36

Step-by-step explanation:

hope this helps you out

Determine from the given points of two lines if the lines are parallel, perpendicular, or neither. Enter your answers below. Use a forward slash (i.e. "/') for all fractions (e.g. 1/2 for 1/2 ). o Line a: (3,1) and (8,6) o Line b: (-6,1) and (2,9)​

Answers

Answer:

lines are parallel

Step-by-step explanation:

Parallel lines have equal slopes

The product of the slopes of perpendicular lines is - 1

Calculate the slope m using the slope formula

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = 3, 1) and (x₂, y₂ ) = (8, 6)

m = [tex]\frac{6-1}{8-3}[/tex] = [tex]\frac{5}{5}[/tex] = 1 ← slope of line a

Repeat with (x₁, y₁ ) = (- 6, 1) and (x₂, y₂ ) = (2,9)

m = [tex]\frac{9-1}{2+6}[/tex] = [tex]\frac{8}{8}[/tex] = 1 ← slope of line b

Since both slopes are equal, line a and line b are parallel

z- 2.12= 3.06 solve for z​

Answers

Answer: 5.18

Step-by-step explanation:

Z= 3.06+2.12=5.18

5.18 is the answer, hope this helps :)

HELP PLEASE THIS IS MY LAST QUESTION OF THIS TEST AND I LITERALLY DONT KNOW WHAT TO DOOO!

Answers

Answer:

Complementary!!!

Step-by-step explanation:

3/5x = -15 one or two step equations

Answers

Answer:

x=1/25

Step-by-step explanation:

Answer: -25

Step-by-step explanation:

You would have to divide both sides by 3/5 which is the same as multiplying by 5/3.

x = -15*5/3

x = -75/3 = -25

What is 3 ÷ 2/5

The quotient is 7 and _____

Answers

Answer:

smart boy/girl !

Step-by-step explanation:

1/2

Answer:1/2


explanation:I did the test but I got the answer wrong because I thought it was 7 and 1/5 , but it’s 1/2

Anna bought 8 tetras and 2 rainbow fish for her aquarium. The rainbow fish cost $6 more than the tetras. She paid a total of $37. Find the cost of a tetra.

Answers

Answer:

Step-by-step explanation:

8 tetra and 2 rainbow

2*8=16

16+6=22

16+22=38

your answer is undefinable unless you want it in the hundredths

Answer:

its either 3.125 or 3.875

Step-by-step explanation:

sorry

Somebody please help me

Answers

Answer:

i think its the third one i could be wrong

Step-by-step explanation:

I think its the last one

plz plz plz plz plz help WITH EXPLANATION PLZ :(

Answers

Answer:

-13/9 = x

Step-by-step explanation:

8/9 = x + 1/3(7)

~Simplify right side

8/9 = x + 7/3

~Subtract 7/3 to both sides

-13/9 = x

Best of Luck!

x= -13/9

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

1/3(7) = 7/3 = 2 1/3

Hilda can run one mile in 7.5 minutes.
Write and solve an equation to
determine how far she can run in 67.5 minutes
minutes.

Answers

9 miles should be the correct answer

Vicky is planning her wedding. The number of guests she wants to invite determines the
number of announcements she orders.
g = the number of guests
a = the number of announcements
Which of the variables is independent and which is dependent?

Answers

G is independent and a is dependent

4.64 × 10^2 in standard form

Answers

Answer:

464

Step-by-step explanation:

Hope This Helps!

Find three angles coterminal to an angle of 1 radian

Answers

Answer: Coterminal Angles are angles who share the same initial side and terminal sides. Finding coterminal angles is as simple as adding or subtracting 360° or 2π to each angle, depending on whether the given angle is in degrees or radians. There are an infinite number of coterminal angles that can be found?

Step-by-step explanation:

-3 * f(-8) + 7 * g(2)

Answers

Answer:

-2(-12-7 g)

Step-by-step explanation:

hope this helps :)

Shantels net worth is 5,480.80 dollars.Her liabilities are 3,260.60.If she increases her assets by 10% and decreases her liabilities by 10%, what is her net work ​

Answers

Answer:

6681.00

Step-by-step explanation:

Given

Net worth = 5480.80Liabilities = 3260.60

Assets = Liabilities + Net worth

Assets = 5480.80 + 3260.60 = 8741.40

If assets increase by 10% and liabilities decrease by 10%, then net worth is:

(8741.40 + 10%) - (3260.60 - 10%) =8741.40*1.1 - 3260.60*0.9 =6681.00

What is the difference of the polynomials below?

(2x²-3x+8)-(3x²+7x--2)

A)-x²-4x+10
B)-x²-10x+10
C)5x²+4x+6
D)x²-10x+10

Answers

Answer:

B

Step-by-step explanation:

(2x² - 3x + 8) - (3x² + 7x - 2)

~Distribute the negative sign

2x² - 3x + 8 - 3x² - 7x + 2

~Combine like terms

-x² - 10x + 10

Best of Luck!

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