a local school board wants to determine if the proportion of households in the district that would support starting the school year a week earlier has changed from the previous year. last year, the school board determined that 65% of households supported starting school earlier. they ask a random sample of 100 households this year, and 70% state they would support starting the school year earlier. which hypotheses would determine if the proportion of households that support starting school earlier has changed this year? h 0: p

Answers

Answer 1

The hypotheses that would determine if the proportion of households that support starting school earlier has changed this year is C. H 0: p = 0.65, H alpha: p greater-than 0.65.

What is a null hypothesis?

A statistical hypothesis known as a null hypothesis asserts that no statistical significance can be found in a given set of observations.

It is tested to see if there has been no change at the null hypothesis, which means that the proportion is still 0.65 = 65%.

It is tested whether there has been a change at the alternative hypotheses, that is, whether the proportion is no longer 0.65 = 65%.

Therefore, the correct option is C.

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Complete options

Group of answer choices

H 0: p not-equals 0.70, H alpha: p = 0.70

H 0: p = 0.70, H alpha: p not-equals 0.70

H 0: p = 0.65, H alpha: p greater-than 0.65

H 0: p = 0.65, H alpha: p not-equals 0.65

Related Questions

GIVING BRAINLIEST AND THE REST OF MY POINTS!!!!!!!!!!!!PLS HELPP :(

In which step does a mistake first occur? (24+3+10)-14+2
Step1: (8+10)-14+2
Step 2: 18-14+2
Step3: 4+2
Step 4: 2

Answers

Answer:

step 4

Step-by-step explanation:

4+2=6

what is the hypothesis of a triangle with a base of 11cm and height of 9cm

Answers

Answer:

14.21 cm

Explanation:

you mean the hypotenuse* lol

the hypotenuse = √(11²+9²)

the hypotenuse = √(121+81)

the hypotenuse = √(202)

the hypotenuse ≈ 14.21 cm

A veterinarian office conducted a survey of the weight of dogs that came in for physicals. 55, 37, 8, 50, 60, 50, 48 Find the outlier:

Answers

Answer:

Step-by-step explanation:

The outlier is the puece of data that is very different from the rest. If all of the numbers in this data were to be put on some sort of visualization, most of the numbers would be in a clump, while the 8 would be far from the clump.

the answer is 8 because when you plot the data it is the one really far away that skews the data

A population of 130,000 grows 4% per year for 16 years.

How much will the population be after 16 years?

Answers

Let's consider the scenario after each year:

After the zeroth year, the population is: 120 000(1 + 0.04)⁰

After the first year, the population is: 120 000(1 + 0.04)¹

After the second year, the population is: 120 000(1 + 0.04)²

...

Thus, we can find the general rule:

After the nth year, the population is: 120 000(1 + 0.04)ⁿ

And after the 16th year, the population is 120 000(1 + 0.04)¹⁶ = 224 758 (rounded to nearest whole number)

6.63 feet =yards
A 21
B 12
C 189
I'm not the smartest in math

Answers

The correct answer is A

Answer:

2.21 yd

Step-by-step explanation:

1 yard = 3 feet

6.63/3 = 2.21 yd

Surface area can be measured in

Feet

Units

Square units

Meters

Answers

I think it’s square units

Explain how to find the quotient of: (8a3+31a2-20a-5)/(8a-1)

Answers

Answer:

Quotient = a²+ 4a- 2

Step-by-step explanation:

(8a3+31a2-20a-5)/(8a-1)

a² +4a-2 ⇒ quotient

(8a-1)√(8a3+31a2-20a-5)

8a²- a² ⇒ Multiplying (8a-1) by a²

- + ⇒ Changing signs

32a²- 20a- 5

32a²- 4a ⇒ Multiplying (8a-1) by 4a

- + ⇒Changing signs

-16a -5

- 16a +2 ⇒ Multiplying (8a-1) by -2

+ - ⇒ Changing signs

-7 ⇒ Remainder

We follow the steps of simple division to get the quotient which is a²+ 4a- 2

We multiply (8a-1) by factors such as a², +4a and -2 to get the same terms as given in the dividend.

Which equation represents the graph?

Answers

Is there a photo? I can’t answer the question without the question.

You need to include a picture of the question

SOMEONE HELP ME NOW PLEASE NO LINKY LINKS

Answers

Answer:

Step-by-step explanation:

Hiro has 5 kilograms of potatoes and 2 kilograms of onions. He plans to use 3.25 kilograms of potatoes and 550 grams of onions for a recipe. How many total kilograms of the produce will not be used

Answers

Answer: 3.20kg

Step-by-step explanation:

Hiro has 5 kilograms of potatoes and 2 kilograms of onions. The total kilogram of the produce will be:

= 5kg + 2kg

= 7kg

Since he plans to use 3.25 kilograms of potatoes and 550 grams of onions for a recipe. The total kilogram that he plans to use will be:

= 3.25kg + 0.55kg

= 3.80kg

Therefore, the total kilograms of the produce will not be used will be:

= 7kg - 3.80kg

= 3.20kg

Note:

1000grams = 1 kilogram

550gram = 550/1000 = 0.55kg

Van a poner balfosas en una calle que mide 3 hm y 9 dam de largo. Ya han embaldosado 125 m de calle ¿A cuantos metros les falta poner baldosas

Answers

Answer:

Faltan 265 metros por embaldosar.

Step-by-step explanation:

Un decámetro equivale a 10 metros, mientras que un hectómetro equivale a 100 metros. A continuación, calculamos la longitud equivalente de calle en metros:

[tex]x = 3\,hm \times \left(\frac{100\,m}{1\,hm} \right)+9\,dam\times \left(\frac{10\,m}{1\,dam} \right)[/tex]

[tex]x = 390\,m[/tex]

La longitud pendiente por poner baldosas es la longitud total menos la longitud ya embaldosada, es decir:

[tex]y = 390\,m-125\,m[/tex]

[tex]y = 265\,m[/tex]

Faltan 265 metros por embaldosar.

20 divided (5 x 2/5) + 3

Answers

Answer:

Step-by-step explanation:

20 ÷ (5 x 2/5) + 3

20 ÷ (2) + 3

10 + 3

The value of the expression is 13.

We have,

20 ÷ (5 x 2/5) + 3

Applying the PEMDAS rule.

20 ÷ 2 + 3

20/2 + 3

10 + 3

Thus,

The value of the expression is 13.

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can sumone please help meeeeee i dont know what to dooooooo thank youuuuuu so muuuuuuuuuch

Answers

Answer:

imma say the answer is 6

Step-by-step explanation:

hi im back

I need some help so here is picture

Answers

Answer:

C. sqrt3

Step-by-step explanation:

(1+2)^1/2 = 3^1/2 = sqrt3

How many more people in the world speak Chinese than English ?

Answers

Answer:

Chinese speakers = 17

English speakers = 8

Difference = 17 - 8

Difference = 9

There will be 9 more Chinese speakers than English Speakers.

Step-by-step explanation:

May you please help me with this :)

Answers

Step-by-step explanation:

3a permieter

16+16+8+8+8+16+8 = 80

area = (16x16) +(8x8)= 256 +64 = 320

3b permieter: 10+ (2π3)/2 = 19.42

area1/2(6)(4) = 12

π (3)^2 = 28.26/2 + 12 = 26.13

A company sells widgets. The amount of profit, y, made by the company, is related to the selling price of each widget, x, by the given equation. Using this equation, find out the maximum amount of profit the company can make, to the nearest dollar. y=-x^2+62x-410

Answers

Answer:

$551

Step-by-step explanation:

Given the amount of profit, y, made by the company, is related to the selling price of each widget, x, by the equation y=-x^2+62x-410

The company make the maximum profit at when dy/dx = 0

dy/dx = -2x + 62

Since dy/dx = 0

0 = -2x + 62

2x = 62

x = 62/2

x = 31

substitute x = 31 into the expression y=-x^2+62x-410

y=-x^2+62x-410

y=-31^2+62(31)-410

y = -961+1922-410

y = 551

Hence the maximum profit the company can make is $551

Use a factor tree or similar method to write 4400 as a product of
prime factors. Display your factor tree in your answer. If you
choose to use an alternative method, clearly show your working:
just writing down the answer is not sufficient.

Answers

Answer:

4,400 = 44 * 100

44 = 2 * 2 * 11

100 = 2 * 2 * 5 * 5

prime factors = 2 * 2 * 2 *2 * 5 * 5 * 11

Step-by-step explanation:

A bacteria's growth is modeled, in thousands of cells, by y = 25(2)^x. At time x= 0, how many cells were there? How many cells will there be at time x= 3?
A. 2.000:5.000
B. 2.000; 25.000
C. 25,000: 50.000
D. 25.000 200.000

Answers

The answer to your question is D

Yes the answer is d
25(2)^0
25*1
=25

25(2)^3
25(8)
=200

Taka is playing a game of darts. She scores 52 positive points. She gets a −3 score each time she misses the board. Her final point total is 37. Write and solve an equation to find out how many times she missed the board, x. Enter the correct answers in the boxes.

Answers

Answer:

she missed 5 times

Step-by-step explanation:

So she has 52 points already and the final amount was 37.

so each miss is -3 so we can make the amount with “x”

51-3x=37

SOlve and you would get 5 misses

There are 5 times she missed the board.

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

She scores 52 positive points.

She gets a '- 3' score each time she misses the board.

And, Total final points = 37

Now,

Let the number of missed the boards = x

So, We can formulate as;

⇒ 52 - 3x = 37

Solve for x as;

⇒ 52 - 3x = 37

⇒ 52 - 37 = 3x

⇒ 15 = 3x

⇒ 3x = 15

⇒ x = 15/3

⇒ x = 5

Thus, There are 5 times she missed the board.

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Cuanto es 4n - 2 =-18

Answers

espero que esto ayude!!!

A bag contains 5 red marbles, 3 blue marbles and 6 green marbles. If
two marbles are drawn out of the bag, what is the exact probability
that both marbles drawn will be red?
( I’m needing to know this ASAP please help )

Answers

Answer:

5/14

Step-by-step explanation:

Answer:10/91

Step-by-step explanation:

find the measure of each angle indicated?

help plz

Answers

Step-by-step explanation:

For first you can do like this:

Angle T you can get:

180°-(25°+55°)

180°-80°

100° Angle T

And Angle X is

180°- 100°= 80°

Second one:

First you need to find angle S and you do it like this:

180°-156°= 24°

Then angle R is:

180°-(24°+96°)= 180°-120°=60°

Hope this helps.

I'LL MARK YOU BRAINLIEST HELP PLS XOXO

Answers

The answer is 240 to put in c hope this helps

I need help can someone help me pls

Answers

Answer:

D: 25 miles

Step-by-step explanation:

Pythagorean Theorem:

[tex]a^{2} + b^2 = c^2[/tex]

36^2 + b^2 = 39^2

1,296 + b^2 = 1,521

b^2 = 225

b = 25

Write each polynomial in standard form.
-2.x2 + x4 +3

Answers

Answer:

x^4 - 2x^2 + 3

Step-by-step explanation:

Rearrange the terms so that they are in descending order by powerss of x;

Highest power is 4: x^4, followed by x^2 and then the constant, x:

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

jack ran 1.5 kilometers on the treadmill, then walked 475 meters before running another 2.5 kilometers how many kilometers did jack do in all

Answers

we need first consider what data we have available:
a = run 1.5km
b = then run 2.3km
c = walk 475m
x = a + b + c = how many km he done on treadmill
before we go anywhere, we need to unify the units, we need to change meters to fraction of kilometers, kilo meant 1000, therefore:
1km = 1000m
475m / 1000m = 0.475km
now we can substitute:
x = a + b + c = 1.5km + 2.3km + 0.475km = 4.275km
we can round that up to first decimal point and then:
4.275km = 4.3km
answer is then:
jack done on the treadmill 4.275km or rounded up 4.3km

11. Given isosceles trapezoid ABCD with bases 6 and 16 and legs 13.
16
Find the height
17 Find the area

Answers

Answer:

round window has a radius of 18 inches. what is the circumference and approximate qrea of the window circumference What is the area of this figure?

Drag and drop the appropriate number into the box.

A =