Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar(s).
Eye Color
Hair Color Blue Gray Green Brown Marginal Total
Blond 42 5 21 10 78
Red 12 22 19 12 65
Brown 22 5 12 34 73
Black 9 3 11 64 87
Marginal Total 85 35 63 120 303

As part of a class project, a university student surveyed students in the cafeteria to look for a relationship between the students’ eye color and hair color. The table contains the survey results.

The percentage of the sample population with brown eyes and black hair is larger than the percentage of the sample population with blue eyes and black hair by
(answer)
percentage points. (Round off your answer to the nearest whole number.)

Answers

Answer 1

Answer:

18%

Step-by-step explanation:

Divide 64/303.

Divide 9/303.

Subtract the answers and you'll get 18%.

Answer 2

The percentage of the sample population with brown eyes and black hair is larger than the percentage of the sample population with blue eyes and black hair by 18.25%

What is the percentage?

In mathematics, a percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%"

Given here, according to the survey, the population with Brown eyes & black hair and Blue eyes and black hair  is 64 and 9 respectively

Also, the marginal total is equal to 303

therefore, the percentages of the two groups are

Brown eyes & black hair =64/303 × 100

                                         = 21.12%

similarly we can calculate  Blue eyes and black hair = 9/303 × 100

                                                                                      = 2.97%

Hence the difference is  21.22% - 2.97% =  18.25% (approx)

Learn more about percentages here:

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Related Questions

May someone help me understand 2 step equations


3y + 6 = 12

Answers

Now that you have the problem set up you need to combine like terms. There is only one “y” so you leave that alone. There two numbers that are by themselves, so you would combine them. The only thing is that since 6 is on the opposite side you need to somehow put it to the other. What’s the opposite of adding? Subtracting! Now you have 3y=6. Okay so now you need to get y by itself. You divide three where 3 is so 3/3=1 so now the y is by itself. Then divide 6/3 to get 2!

Answer:

 = 2

Step-by-step explanation:

3  +  6  =  1 2

subtract 6 from both sides of the equation

3  +  6  −  6  =  1 2  −  6

3  =  1 2  −  6

3y/3 = 6/3

y = 6/3

y = 2

i'm taking the same thing :)

I will mark your answer brainliest.

Answers

Answer:

$4

Step-by-step explanation:

12÷4=3

7÷7=1

3+1=4

therefore she spent 4 dollars

Let y=[ 3 1 ]y=
[3
1] and u=[ 8 6 ]u=
[8
6].
Compute the distance from y to the line through u and the origin.

Answers

Answer:

2√5

Step-by-step explanation:

Given the coordinates y(3,1) and u(8,6)

We are to find the distance between the two coordinates

Using the formula:

D = √(x2-x1)²+(y2-y1)²

D = √(8-3)²+(6-1)²

yu = √(5)²+(5)²

yu = √25+25

yu = √50

yu = 2√5

Hence the distance between the two coordinates is 2√5

GRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR

Answers

As the world I’m heading towards and matching up to is getting bigger  

It makes me feel an emptiness somehow  

What part it is, even if the shape is maybe like this  

Even when myself can’t come to know it  

As if solving up the scattered pieces  

We are matching up our stories  

Inside the empty spot in my heart, there’s a piece called you taking place  

I just know it at first glance I saw you  

You’re my missing puzzle piece  

Finally I solved it  

You filled every piece of my heart, even the scarred part of it to the fullest  

And somehow, you’ve become my everything  

My missing puzzle piece  

The fact that I have a flaw,  

The truth that I am imperfect All of it makes me feel small  

But in between those gaps  

We can fill one another with it  

So I don’t even realized that it was empty  

“Hello, it’s been so long, isn’t it?”  

The small piece that I put in my pocket and carry around everywhere  

Please be with me so it can be fuller and prettier  

After I met you, I’m able to draw a bigger picture  

You’re my missing puzzle piece  

Finally I solved it  

You filled every piece of my heart, even the scarred part of it to the fullest  

And somehow, you’ve become my everything  

My missing puzzle piece  

My missing puzzle piece  

More than having everything, Not losing that one thing is more important  

Through you, I came to know that  

You’re my missing puzzle piece  

Very dazzling  

It becomes one scene inside the world that I’ve been trying to put together alone

Like the hands that are interlocking tight together,

Because without you, it can’t be completed  

So that we won’t lose each other,  

My missing puzzle piece  

My missing puzzle piece

Answer:

grrrrrr

Step-by-step explanation:

GRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR

How do I ask a quaestion

Answers

Answer:

Step-by-step explanation:

Hahahhhh Lol


Choose the pair of complimentary angles ​

Answers

Answer:

Step-by-step explanation:

Complementary angles are those whose sum is =90°

so

A)  no

B)yes 

C)no

D)no

Suppose that Dr. Vergara makes a free throw with probability 0.8 and, independently, Dr. Agor makes a free throw with probability 0.4. They each attempt one free throw. (a) Given that only one of them made a free throw, what is the probability that Dr. Agor made his free throw

Answers

Answer:

The probability that Dr. Agor made his free throw is 40%.

Step-by-step explanation:

Given the fact that Dr. Agor usually converts his free throws with a probability of 0.4, to determine the percentage of probability that he will convert his free throw, the following calculation has to be performed:

0.4 x 100 x 1 = X

40 x 1 = X

40 = X

Therefore, Dr. Agor has a 40% chance of making his free throw.

Answer:

40%

Step-by-step explanation:

Skye's Ice Cream Shoppe is Mario's favorite place to get ice cream. Unfortunately, because he was late arriving, his friends had already ordered. He did not know what they had ordered for him. They told him that is was either a waffle cone or a sundae and that the ice cream flavor was apricot, chocolate, or blackberry.

The total number of possible outcomes is?

Answers

Answer:

6

Step-by-step explanation:

there are six outcomes:

waffle cone apricot

waffle cone chocolate

waffle cone blackberry

sundae apricot

sundae chocolate

sundae blackberry

PLEASE ANSWER ASASP!!!!!!!!!!!!!
The equation c = 2.5t represents the cost, c, for t tickets to the school play. Does a value of 3.5 for t make sense in this situation? Explain your reasoning.

Answers

Answer:

No, a value of 3.5 for t does not make any sense because it should be a discrete value.

Step-by-step explanation:

Given equation is:

c = 2.5t

Here,

c = Cost

t = number of tickets

Now,

The value of t cannot be a decimal number but it must be a whole number. Because half ticket cannot be sold.

Hence,

No, a value of 3.5 for t does not make any sense because it should be a discrete value.

What reason justifies 3x>3

Answers

Answer:

3x is greater then 3 because 3x has 3 of x and 3 is plain 3

50 POINTS!!!! PLEASE HELLPPP!!!
HURRY PLS

Hugh made a recipe that yields 8 and 1 over 2 cups. If each serving is 1 over 4 cup, which expression will help Hugh determine the number of servings his recipe will yield? (1 point) 8 and 1 over 2 ⋅ 1 over 4 8 and 1 over 2 + 1 over 4 8 and 1 over 2 - 1 over 4 8 and 1 over 2 ÷ 1 over 4

Answers

Answer: It says 25 points brat but whatever.

Step-by-step explanation:→ The number of servings his recipe will yield = (Total recipe yields) ÷ (Each serving) = 8(1/2) ÷ (1/4) = 8 and 1 over 2 ÷ 1 over 4. SO that means it would be option d

In the equation 5x = 60, what is the next step in the equation solving sequence?

A. Isolate the variable through inverse operations
B. Combine like terms
C. Solve for the variable
D. identify and move the coefficient or variable

Answers

Answer:

C

Step-by-step explanation:

You have to divide both sides by the coefficient of x

Answer:

c. solve for the variable

Step-by-step explanation:

to do this divide both sides by 5

5/5x would simplify to x

and 60/5 is 7

x=7

If the temperature outside starts at 20°C and decreases by 35°C, what would be the new temperature?
a. 15°C
b. 55°C
c. -15°C
D. -55°C

Answers

-15, pretty sure that’s right
20 - 35 = -15. So C

6. Expand the expression 4(x + 5).
PLEASE HELP DUE TOMORROW

Answers

Answer:

4x+20

Step-by-step explanation:

Using the distributive property you multiply the terms outside by the terms inside. So the expression will be like this

4(x)+4(5)

When simplified the answer is

4x+20

Answer:

Step-by-step explanation:

Here you go mate

Step 1

4(x + 5)  equation

Step 2

4(x + 5)  simplify the expression

(x+5)4

(x+5)(4)

answer

20+4x

plss helpp !! beainliest and extra points

Biking at 10 mph, it takes Kristen 1/2 hour to reach the train station to go to work. Kristen then takes the train to work, and it takes another 1/2 hour for her to get to work when the train travels 24 mph. How far does Kristen travel to work?
A. 65 miles
B. 27 miles
C. 17 miles
D. 16 miles

Answers

Answer: 17 miles

.5hr x 10Mph + .5 x 24mph = 17 miles

Step-by-step explanation:

Kendyl started reading a new book over the weekend. She was able to read 8 pages in the 20 minutes before dinner.at this rate how long will it take for her to read the entire book if it has 300 pages?

Answers

Answer:

750 minutes

Step-by-step explanation:

8 pages in 20 minutes

300 / 8 = 37.5

37.5 * 20 = 750

Anyone can help me out with this question real fast?

Answers

Answer:

Linear equation

Step-by-step explanation:

Given

The attached

Required

Determine the type of function

We start by checking for linear function

A linear function is such that:

[tex]m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]

The above represents the slope

For any pair of coordinate points, the slope must be constant.

We have:

[tex](x_1,y_1) = (-3,-16)[/tex]

[tex](x_2,y_2) = (-2,-13)[/tex]

The slope (m) is:

[tex]m = \frac{-13-(-16)}{-2-(-3)}[/tex]

[tex]m = \frac{-13+16}{-2+3}[/tex]

[tex]m = \frac{3}{1}[/tex]

[tex]m = 3[/tex]

Take another pair:

[tex](x_1,y_1) = (-1,0)[/tex]

[tex](x_2,y_2) = (-10,-7)[/tex]

The slope (m) is:

[tex]m = \frac{-7-(-10)}{0-(-1)}[/tex]

[tex]m = \frac{-7+10}{0+1}[/tex]

[tex]m = \frac{3}{1}[/tex]

[tex]m = 3[/tex]

The slope remains constant

Hence, it is a linear function

4
A roulette wheel consists of 18 red slots, 18 black slots, and 2 green slots. A player can wager $1 that a marble
will land in a red slot, in which case the player would gain a $1. If the marble lands in a slot that isn't red, then
the player loses their $1 wager. Let X represent the player's gain from a random $1 wager on red. Here's the
probability distribution of X along with summary statistics:
A piz
size
Xro
prot
Lose
Win
-1
1
X = gain ($)
P(X)
20/38
X
18/38
px - $0.05
Mean:
P
Standard deviation:
Ox $1.00
Suppose a player decides to wager $5 instead of $1, so the possible outcomes become either losing or winning
$5. Let Z represent the player's gain from a random $5 wager on red.
The
What are the mean and standard deviation of Z?
any
prot
on a
μ28
dollars
Wha
dollars
Uy

Answers

Answer: -0.25 and 5

Step-by-step explanation:

Khan

i giveeee brainlilst

Answers

Answer:

yes 17-17=8=9=23/23/234/23=-234

Step-by-step explanation:

11A. Lakewood Towing Company charges $50 plus $4 per mile to tow
a car. The A & A Towing Company charges $80 plus $2 per mile.
After how many miles the charges for the two companied will be the
same?

Answers

Answer:

15 miles

Step-by-step explanation:

50 + 4x = 80 + 2x

-50 -2x = -50 -2x

2x = 30

x = 15

I need help if you answer I will mark as brainlylist and extra points

Answers

Answer:

8b*5b

Step-by-step explanation:

Answer:

(8x5)xb

Step-by-step explanation:

you don’t change the order just where you put the parentheses

Select the equivalent expression

y^-2 =

Answers

Answer:

=x^-2

Step-by-step explanation:

PLEASE ANSWER FAST!!!!!!!!Construct ΔABC with AB = 3.8 cm, BC = 4.5 cm and CA = 5 cm.​

Answers

Step-by-step explanation:

I will write the steps of construction,

1. Draw line segment BC = 4.5cm

2.Using a compass and radius 3.8 cm draw an arc

keeping the point at B.

3.Again taking the radius as 5cm draw an another arc intersecting the previous arc.

4. Join both the lines at that arc and you will get

Triangle ABC.

A nickel is placed flat on a table. What is the maximum number of nickels that can be placedaround it, flat on the table, with each one tangent to it?
(a) 4
(b) 5
(c) 6
(d) 7
(e) 8

Answers

Answer:

6

Step-by-step explanation:

ANSWER PLLLLEEEEAAASSSEEE
Last Tuesday was silly hat day at Karen's school. 213 students wore a silly hat and 497 students did not. What percentage of the students wore a silly hat?

Answers

Answer:

30%

Step-by-step explanation:

Answer:30 percent

Step-by-step explanation:

Steve sold 252 fruit basket for a school fundraiser. Evie aold 25 fruit baskets for each 100 baskets that steve sold. How many fruit baskets did evie sell?


PLEASE NEED HELP AND STEPS

Answers

Answer: 63

Step-by-step explanation:

From the question, we are informed that Steve sold 252 fruit basket for a school fundraiser while Evie aold 25 fruit baskets for each 100 baskets that Steve sold. This means that Evie sold 25/100 = 1/4 of what Steve sold.

Therefore, the number of fruit baskets sold by Evie will be:

= 1/4 × 252

= 63

What percent of 20 is 15?

The number after "of" goes on the bottom of the fraction and the number after "is" goes on the top.

PLEASE SOMBODY DO STEP BY STEP .

Answers

15 is 75 % of 20

20/15 = 100/75

Answer:

75%

Step-by-step explanation:

Well lets set this up.

You want to find what percent of 20 is 15.

So to do that you can make it a fraction.

The numerator is what is being divided and the denominator is what you want it divided by.

So you want 15 divided by 20

So 15 is numerator

20 is denominator.

[tex]\frac{15}{20}[/tex]

A fraction is basically a division problem so now all you need to do is divide 15 by 20.

If you do that you should get a decimal answer of 0.75

To make a decimal a percentage all you have to do is multiply it by 100.

0.75 * 100

[If you do not have a calculator on you an easy way to do this is look at how many zeros 100 has and move the decimal right that many times]

75

Now just add that percent sign and you have 75% as your answer!

If you need further assistance please don't be afraid to reach out. I hope this helps!

Please help me with this

Answers

Answer:

Since you are graphing the line of x, the line should be vertical where it is placed 2 units before the center of the graph.

Please help me?!!!!!!

Answers

2 is in the ones place

3 is in the tenths place.

2 is in the ones place; 8 is in the tenths place.

any help
plz
i need som body help

Answers

the least amount of dozens they can buy is 9. the cost will be $13.41
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