And a survey of 500 households 23% say that they have a dog as a pet the standard deviation is 2% determine an interval that if I need to contain the 95% of all households who has a dog as a pet

Answers

Answer 1

Answer:

(114.123, 115.877)

Step-by-step explanation:

Given that :

Sample size (n) = 500

Mean = 23% of 500 = 115

Standard deviation (s) = 2% of 500 = 10

α = 95%

Zcritical at 95% = 1.96

Confidence interval = Mean ± Error

Error = Zcritical * standard deviation /sqrt (n)

Error = 1.96 * 10/sqrt(500)

Error = 0.8765386

Lower boundary : 115 - 0.8765386 = 114.1234614

Upper boundary : 115 + 0.8765386 = 115.8765386

(114.123, 115.877)


Related Questions

What is the area of rectangle CDEF?
Area= ...square units

Answers

Step-by-step explanation:

I think it's 48 square units

peeps go look up egde rewies

Answers

*shocking*

-runs in high heels-

-trips-

oh my! dear child..

400 students went on a field trip. Six buses were filled and 34 students traveled in cars. How many students were in each bus? HELP PLEASE 40 POINTS

Answers

Answer:

61

Step-by-step explanation:

first subtract the 34 students that went with a car then divide 366 ÷ 6=61

400-34=366

366÷ 6=61

Hope this helps :)

What is the first step in solving for z in the equation 5z - 4 = 26
O Add 4 to both sides of the equation.
O Subtract 4 from both sides of the equation.
O Multiply both sides of the equation times 5.
O Divide both sides of the equation by 5.

Answers

You would 4 to both sides of the equation

Answer:C

Step-by-step explanation:because we went over this in class

I am doing a percent equation problem and I need help please here’s the question 20% of blank =10

Answers

Answer:

[tex]50[/tex]

Step-by-step explanation:

Let [tex]x =[/tex] blank (for convenience)

[tex]20\%x=10[/tex]

[tex]0.2x=10[/tex] (change [tex]20\%[/tex] into its decimal form)

[tex]x = 10\div 0.2[/tex] (divide [tex]0.2[/tex] on both sides)

[tex]x=50[/tex]

∴ Blank = 50

Hope this helps :)

why does math have to be so hard

Answers

I felt this, I’m currently failing even tho I’m trying but that could also be because my teacher doesn’t like me

Answer:

Math seems difficult because it takes time and energy. Many people don't experience sufficient time to "get" math lessons, and they fall behind as the teacher moves on. Many move on to study more complex concepts with a shaky foundation. We often end up with a weak structure that is doomed to collapse at some point.

Math is hard because it is a non-intuitive, non-natural activity. Math don't happen by chance only, it only happens with deliberate, focused work. For this you expend a lot of energy and cause a lot of mental strain, you put yourself on an uncomfortable condition for hours, days, sometimes weeks to solve a problem.

But some people love math, like me, because they study math more than others. If you study more and learn more about math, then you’ll start to feel more comfortable because you’ll be ahead of the class when your teacher teaches you something.

The most important thing is to keep trying and never give up.

Hope this helps! :)

What’s the slope of the line that passes through (-9, -4) and (6, 15).

Answers

19/15, look at the attachment for work

Spencer bought gas for his four-wheeler from Gas World on Saturday. On Sunday, he bought the same amount of gas from Fuel Stop for less money. Now, Spencer has $20 to spend on gas for his car. Fuel Stop is on his way home. If the gas prices haven't changed, will Spencer be able to get more or less gas at Fuel Stop than at Gas World?

Answers

Answer:

Step-by-step explanation:

spencer bought the same amount of gas from gas world and fuel stop. since the gas cost less money at fuel stop, the gas is cheaper at fuel stop at gas world.

spencer has $20 to spend on gas for his car at fuel stop.

since the gas is cheaper at fuel stop, spencer will get MORE gas from fuel stop with his money.

hope this helped

If the gas prices haven't changed, will Spencer be able to get more gas at Fuel Stop than at Gas World

What is Number system?

A number system is defined as a system of writing to express numbers.

Given,

Spencer bought gas for his four-wheeler from Gas World on Saturday

He bought the same amount of gas from Fuel Stop for less money on Sunday

Now, Spencer has $20 to spend on gas for his car.

since the gas cost less money at fuel stop, the gas is cheaper at fuel stop at gas world. spencer has $20 to spend on gas for his car at fuel stop. since the gas is cheaper at fuel stop, spencer will get MORE gas from fuel stop with his money.

Hence if the gas prices haven't changed, will Spencer be able to get more gas at Fuel Stop than at Gas World

To learn more on Number system click:

https://brainly.com/question/22046046

#SPJ5

Sheila has 14 1/2 pounds of potato salad. She wants to divide the potato salad into containers, each of which holds 1 1/4 pounds. How many containers does she need? Complete the explanation.

Answers

Answer:

11 3/5 containers

Equivalent to 11.6 containers

Step-by-step explanation:

Total pounds of potato salad = 14 1/2 pounds

Pounds in each container = 1 1/4 pounds

How many containers does she need?

Number of containers needed = Total pounds of potato salad / Pounds in each container

= 14 1/2 ÷ 1 1/4

= 29/2 ÷ 5/4

= 29/2 × 4/5

= (29×4) / (2×5)

= 116/10

= 11 6/10

= 11 3/5 containers

Equivalent to 11.6 containers

find slope and y-intercept formed the graph if the linear equation
y=1/4x-8​

Answers

Answer:

not sure exactly what its asking but if its asking the slope and y-intercept of this equation is here.

Step-by-step explanation:

the slope is 1/4 while the y-intercept is -8 or (0,-8)

Answer: slope: 1/4

y-intercept: (0,-8)

Hope this helps and good luck :)

Step-by-step explanation:

Which table does not show y as a function of x please show explation

Answers

The second table because all of the Y axis are different

the relationship between the elapsed time in minutes since the stew was removed from the stove and temperature of the stew measured in c is modeled by the following function

Answers


You well just have to subtract

Foot Locker is selling a pair of Nike for $60 that has been discounted by 25%. What was the original selling price?

Answers

The original price is $80

Write down the inequality described by "half of x is no more than three", and solve for x.

Answers

Answer:

Inequality: [tex]\frac{x}{2} \leq 3[/tex]

Solved: [tex]x\leq 6[/tex]

Step-by-step explanation:

[tex]\frac{x}{2} \leq 3[/tex]

[tex]x\leq 6[/tex]

CAN SOMEONE PLEASE HELP ME!!
Consider the polynomial function h(x) = -7x6 + 3x4 – 5x2.
What is the end behavior of the graph of h ?

Answers

Answer: As x -> ♾, h(x) -> -♾, and as x -> -♾,h(x) -> -♾

Step-by-step explanation:

The end behavior is x ----> ∞ then h(x) ----> -∞, and when x ----> -∞ then h(x) -----> -∞.

What is Function?

In mathematics, a function is represented as a rule that produces a distinct result for each input x. In mathematics, a function is indicated by a mapping or transformation. Typically, these functions are identified by letters like f, g, and h. The collection of all the values that the function may input while it is defined is known as the domain. The entire set of values that the function's output can produce is referred to as the range. The set of values that could be a function's outputs is known as the co-domain.

Given:

h(x) = -7[tex]x^6[/tex] + 3 [tex]x^4[/tex]– 5x².

If we plot the Equation on the Graph we can see a parabolic Curve.

This Curve tells as x tends to ∞ the value of h(x) tends to -∞.

and, when x tends to -∞ the value of h(x) tends to -∞.

Hence, the end behavior is x ----> ∞ then h(x) ----> -∞.

and, when x ----> -∞ then h(x) -----> -∞.

Learn more about Function here:

https://brainly.com/question/2541698

#SPJ5

What is the answer for y x+y=2

Answers

Answer:

y=−x+2

Step-by-step explanation:

x+y=2

Step 1: Add -x to both sides.

x+y+−x=2+−x

y=−x+2

Answer:

y=−x+2

Step-by-step explanation:

help asap!!! it’s due in 20 minutes .

Answers

Answer:

ab

Step-by-step explanation:

Tom will rent a car for the weekend. He can choose one of two plans. The first plan has an initial fee of and costs an additional per mile driven. The second plan has an initial fee of and costs an additional per mile driven. How many miles would Tom need to drive for the two plans to cost the same?

Answers

Complete question :

Tom will rent a car for the weekend. He can choose one of two plans. The first plan has an initial fee of $57.98 and costs an additional $0.14 per mile driven. The second plan has an initial fee of $53.98 and costs an additional $0.16 per mile driven. How many miles would Tom need to drive for the two plans to cost the same?

Answer:

200 miles

Step-by-step explanation:

Let miles driven = x

First option :

57.98 + 0.14x

Second option :

53.98 + 0.16x

First option = second option

57.98 + 0.14 = 53.98 + 0.16x

57.98 - 53.98 = 0.16x - 0.14x

4 = 0.02x

x = 200

200 miles

An 8-ounce bottle of lotion costs $4.50. Find the Unit Rate. hint: What is the cost per ounce?

Answers

Answer:

approximately 56 cents

Step-by-step explanation:

4.5/8

HELP
Which equations have exactly one y-value for any given x-value? Select all that apply.

Answers

Answer:

I believe its A. y=-x C and D.

Please correct If I am wrong Please and thank you

Step-by-step explanation:

Can someone do this please

Answers

ok so umm you need to do 5x4= 20 and divide 20 and 4 you get 5 and multiply 5x4 you get 20 and the answer is 20

i neeed thiss pleaseeeeeee!!!!!!

Answers

2 the answer is two I think

PLEASEEEE HELP ME PLEASEEE

Answers

Answer: Your answer is: (-4,∞)

HELP PLEASE!

a car drives at a rate of 65 mi/hr. what is the speed of the car in ft/s? note: 1 mi = 5280 ft

a. 44 ft/s
b. 95 ft/s
c. 5720 ft/s
d. 0.0181 ft/s

Answers

I'm pretty sure its c

because 5280x65=343200

and 343200/60 is 5720

Answer: It’s 95 ft/s

Step-by-step explanation:

quiz

There are 12 circles and 15 triangles. What is the simplest ratio of circles to triangles

Answers

Answer:

4:5

Step-by-step explanation:

i only need A. please help asap

Answers

Answer:

B

Step-by-step explanation:

The answer is B because it has the slope and its on the rise and run.

Hope this help:)

PLss maark brainlist

Answer:

the answer is b

Step-by-step explanation:

the answer is b

Which of these is not a unit for measuring weight?
A
ton
B.
gallon
С
ounce
D
pound

Answers

I believe it is a pound. D

for a relation to be a function what must never happen

Answers

Answer:

Step-by-step explanation:

A function is a relation in which each input has only one output

so a relation cannot have more than one output

Answer:

each input (x-value) only has one output (y-value)

Step-by-step explanation:

you can use the vertical line test; pretend to draw vertical lines and if there are two point on the graph where the vertical line touches, it cannot be considered function.

What is the average rate of change of f over the interval -7 < or equal to x Give an exact number

Answers

Answer:

[tex]\frac{4}{3}[/tex]

Step-by-step explanation:

The average rate of change can be found by using the following formula

[tex]\frac{f(x_{2}) - f(x_{1}) }{x_{2} - x_{1}}[/tex]

Since the interval goes from -7 to 2, we should find the y-values that correspond to x=-7 and x=2.

By inspection of the graph, we can clearly see that when x is -7, y is -7 as well and when x is 2, y is 5.

Now that we know this, we can simply plug these values into the formula!

[tex]\frac{f(2) - f(-7) }{2 - (-7)} = \frac{5 - (-7)}{2 - (-7)} = \frac{5 +7}{2+7} = \frac{12}{9} = \frac{4}{3}[/tex]

Good luck!

Which system of inequalities describes the graph?

Answers

Answer:

It Would be C (the third one)

Step-by-step explanation:

Please mark me Brainlyest PLZ

Other Questions
Pls hurry Im being timed The main issues that led women to begin moving beyond the home was theabolition of slavery, prison reform, temperance and education.A. TrueB. False what is 29503.488rounded two decimal places HELP ME PLEASE! I NEED HELP, ASAP! THX what is cultural heritage A five-year bond has a par value of 1000, a coupon of 3%, and a required yield of 5%. What should be the market price of this bond? can someone help me with this? The readmission of Southern states into the Union following the Civil War created which of the following political outcomes?A. An increase in Republican control over state and federal governmentsB. A decrease in support for national economic development programsC. A decline in political participation by American womenD. An expansion of voting-rights protections for former slaves 1) Which is an objective summary ofthis part of the story?Nisha is nice as well as brave. She*1) lends Neel her PalmCom and takeshim to a subwayNeel records a hologram of an*) elephant Nisha leads Neel to asubway and they become friendly,Neel's hologram makes the tripD) worthwhile. He's lucky Nisha foundhim and took him to the subwayNeel's silly dream came true. Neel is) jealous of Nisha because she workswith elephants C. Use the activity series of metals to predict the products of the following single-replacementreaction. Explain your answer. (1 point)NiCl2 + Fe what is 9 divided by 3 plus for times 6 plus 8 What does Tans interaction at the hospital with the CAT Scan reveal about peoples perception of non-native English speakers? Help Please this is hard 1What does Sondra build with the help of her dad?Aa garage where her family can keep its carsBa go-kart named Blue Lightning, Mark IIa racetrack where she can test her go-kartDa hardware store that sells cables and brackets _________ refers to legal contact made with an opponent who does not have the ball.ShiftingTacklingBlockingClipping define:Money Supply-Counterfeit- fiat currency-specie currency-Inflation-Deflation-Deficit spending-Interest-principal-net pay-gross pay-federal reserve bank- What is the literary device in this sentence .The overcrowded town square buzzed like a busy beehive Andrea earned 200 points on a school assignment. Because theassignment was turned in late, the score was reduced to 20 points.What was the percentage decrease in the score?Symbol requiere this is a trigonometry question . Answer NOW!The day had been one of those unbearable ones, when every sound had set her teeth on edge like chalk creaking on a blackboard, when every word her father or mother said to her or did not say to her seemed an intentional injustice. And of course it would happen, as the end to such a day, that just as the sun went down the back of the mountain and the long twilight began, she noticed that Rollie was not around.Tense with exasperationshe would simply explode if Mother got goingshe began to call him in a carefully casual tone: "Here, Rollie! He-re, boy! Want to go for a walk, Rollie?" Whistling to him cheerfully, her heart full of wrath at the way the world treated her, she made the rounds of his haunts; the corner of the woodshed, where he liked to curl up on the wool of Father's discarded old windbreaker; the hay barn, the cow barn, the sunny spot on the side porchno Rollie.Perhaps he had sneaked upstairs to lie on her bed where he was not supposed to gonot that she would have minded! That rule was a part of Mother's fussiness, part too of Mother's bossiness. It was her bed, wasn't it? But was she allowed the say-so about it? Not on your life. They told her she could have things the way she wanted in her own room, now she was in her teens, buther heart raged against the unfairness as she took the stairs stormily, two steps at a time, her pigtails flopping up and down on her back. If Rollie was on her bed, she was just going to let him stay right there, and Mother could shake her head and mumble all she wanted to. But he was not there. The bedspread and pillow were crumpled, but not from his weight. Earlier that afternoon, she had flung herself down to cry there. And then she couldn't. Every nerve in her had been twanging, but she couldn't cry. She could only lie there, her hands doubled up hard, furious that she had nothing to cry about. Not really. She was too big to cry just over Father's having said to her severely, "I told you if I let you take the chess set you were to put it away when you got through with it. One of the pawns was on the floor of our bedroom this morning. I stepped on it. If I'd had my shoes on, I'd have broken it."Well, he had told her to be sure to put them away. And although she had forgotten and left them, he hadn't forbidden her ever to take the set again. No, the instant she thought about that, she knew she couldn't cry about it. She could be, and she was, in a rage about the way Father kept on talking, long after she'd got his point, "It's not that I care so much about the chess set," he said, just leaning with all his weight on being right, "it's because if you don't learn how to take care of things, you yourself will suffer for it later . . . . If we . . ." on and on, preaching and preaching.Which statement most accurately describes the girl's feelings? A. She is angry because the whole world seems against her. B. She is unconcerned toward the way her parents treat her. C. She is saddened by the sun's going down behind the mountain. D. She is worried that her dog is gone forever.