1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
klio [65]
3 years ago
10

"Large Sample Proportion Problem. Surveys were conducted in multiple countries and respondents were asked if they felt political

news was reported fairly. The data for the United States is that out of 1,000 sampled, 470 indicated yes, they felt political news was reported fairly. Suppose we want to construct a 95% confidence interval. What is the standard error for the confidence interval?"
Mathematics
1 answer:
melomori [17]3 years ago
6 0

Answer: 0.0158

Step-by-step explanation:

Given : The data for the United States is that out of 1,000 sampled, 470 indicated yes, they felt political news was reported fairly.

According to the given information we have,

Sample size : n= 1000

Sample proportion: \hat{p}=\dfrac{470}{1000}=0.47

The standard error for proportion is given by :-

S.E.=\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

S.E.=\sqrt{\dfrac{0.47(1-0.47)}{1000}}

S.E.=\sqrt{0.0002491}

S.E.=0.0157829021412\approx0.0158

[Rounded to the nearest four decimal places.]

Hence, the standard error for the confidence interval = 0.0158

You might be interested in
HELP IM DOIN A MATH TEST AND IM STUCK!!!!! Tim knows the volume In bass area of a wooden chest that is in the shape of a rectang
ki77a [65]

Answer:

Height is 1 1/24 unit.  

Step-by-step explanation:

Given:

volume = 5/24 unit³

base area = 1/5 unit²

Rectangular prism:

volume = length * width * height

base area = length * width

Volume = base area * height

height = volume / base area

h = 5/24 ÷ 1/5

h = 5/24 * 5/1 = 5*5 /24*1 = 25/24 = 1 1/24 unit

(hope this helps can i plz have brainlist :D hehe)

7 0
2 years ago
If sin(Ф)=3/5, and cos(Ф)=-4/5, which of the following is true?
Juli2301 [7.4K]

Answer:

Step-by-step explanation:

b.) cos((π/2)-Ф)=-3/5 is true because :

cos((π/2)-Ф)= sin(Ф)

8 0
3 years ago
Find the total cost to the nearest cent. (Examples
Hunter-Best [27]

Answer:

$58x.20=11.6

$58.00+11.60= $69.60

Step-by-step explanation:

5 0
3 years ago
(4^p*4^1)^3 simplifies to 4^15 what does p equal?
zzz [600]

When an exponent is outside the parentheses, you "distribute" it to the other exponents inside the parentheses.

(4^p)^3 would become 4^3p

(4^1)^3 would become 4^3

When the bases are the same, you just simply add the exponents.

Let's just ignore the bases so it'll look less confusing.

3p + 3 = 15

Subtract 3 from both sides.

3p = 12

Divide both sides by 3.

<em>p = 4</em>

6 0
3 years ago
The circular base of a cone has a radius of 5 centimeters. The height of the cone is 12 centimeters, and the slant height is 13
shepuryov [24]

Answer:

Hence, the surface area of cone is:

282.6 cm^2 which is approx 283 cm^2.

Step-by-step explanation:

We are given:

  • The circular base of a cone has a radius of 5 centimeters.

           i.e. r=5 cm.

  • The height of the cone is 12 centimeters

               i.e. h=12 cm.

  • The slant height is 13 centimeters.

                    i.e. l=13 cm.

Now we know that the surface area(S.A.) of cone is given by:

S.A.=\pi r(l+r)

Hence by putting the value of l,r and π in the formula we get:

S.A.=3.14\times 5\times (13+5)\\\\S.A.=15.7\times 18\\\\S.A.=282.6

Hence the surface area of cone is 282.6 cm^2 which is approx 283 cm^2.

4 0
2 years ago
Read 2 more answers
Other questions:
  • 55,37, 52,50, 53,46,53 whats the standard deviation of the data set?
    6·1 answer
  • What is 15% of x<br> please help on this one!!
    12·1 answer
  • Which equation is quadratic in form?
    10·1 answer
  • Consider the function f(x, y) = x2 + xy + y2 defined on the unit disc, namely, D = {(x, y)| x2 + y2 ≤ 1}. Use the method of Lagr
    15·1 answer
  • Which is the best unit to use for measuring the length of an eyelash? A.millimeter B.centimeter c. Meter. D.kilometer
    8·1 answer
  • The Value of X________
    5·1 answer
  • The average weekly salary of two employees is $5250. One makes $500 more than the other. Find their salaries.
    10·1 answer
  • 2 + 3x²y - 1⁄2y + y - 1
    5·1 answer
  • EVERYONE GO GIVE DRAZOAVANS1 A BRAINLIEST PLZZZZZ!!!!
    15·1 answer
  • Please help I needed it badly
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!