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
drek231 [11]
2 years ago
8

Find the margin of error for the given values of c, o, and n.

Mathematics
1 answer:
Alika [10]2 years ago
4 0

Using the z-distribution, it is found that the margin of error is of 0.059.

We are given the standard deviation for the population, hence the <em>z-distribution</em> is used.

<h3>What is the margin of error for a z-confidence interval?</h3>

It is given by:

M = z\frac{\sigma}{\sqrt{n}}

In which:

  • z is the critical value.
  • \sigma is the population standard deviation.
  • n is the sample size.

In this problem, the parameters are:

  • \sigma = 0.25, n = 49.
  • Confidence level of 0.90, hence, using a z-distribution calculator, the critical value is z = 1.645.

Then:

M = z\frac{\sigma}{\sqrt{n}}

M = 1.645\frac{0.25}{\sqrt{49}}

M = 0.059

The margin of error is of 0.059.

You can learn more about the z-distribution at brainly.com/question/12517818

You might be interested in
(PLEASE HELP)
Dovator [93]

Answer:

have a great day

Step-by-step explanation:

7 0
3 years ago
The table shows the outputs, y, for different inputs, x:
ASHA 777 [7]
Part A:
Yes, the data represent a function because there is at least one x-value for every y-value.

Part B:
When x=6 in the input-output table, y=14. When x=6 in the relation f(x)=7x-15, f(x)=7(6)-15=27. <span>The equation has a greater value when x=6.

Part C:</span>
Set f(x) equal to 6 in the equation:
6=7x-15
Solve for x:
7x=21
x=3
<span>x=3 when f(x)=6</span>
3 0
3 years ago
Use the figure to the right to find the value of PT. Pt=4x + 9 and TQ= 6x - 5
zhuklara [117]

Answer:

The answer is

Step-by-step explanation:

PT 4x+9

TQ 6x-5

PT 13x

TQ 1x

The value of PT is 13 x

6 0
2 years ago
Complete the Point-Slope equation of (-8,-8) (-7,9)
Vadim26 [7]

Answer:

y = 17x +128

Step-by-step explanation:

P1(-8,-8)

P2(-7,9)

Slope,

m = (y2-y1)/(x2-x1) = (9-(-8))/(-8-(-7)) = 17/(-1) = 17

The point-slope equation is

y-y1 = m(x+x1)

y-(-8) = 17(x-(-8))

y+8 = 17x + 136

y = 17x +128

7 0
3 years ago
The height of a trapezium of area 162 cm^2 is 6cm. if one of the base is 23 cm. find the other
Luden [163]

Answer:

31 cm

Step-by-step explanation:

The area (A) of a trapezium is calculated as

A = \frac{1}{2} h (a + b)

where h is the height and a, b the bases

Here A = 162, h = 6 and a = 23 , then

\frac{1}{2} × 6 (23 + b) = 162

3(23 + b) = 162 ( divide both sides by 3 )

23 + b = 54 ( subtract 23 from both sides )

b = 31

The other base is 31 cm

6 0
2 years ago
Other questions:
  • Which measure of center is shown in a box plot?<br> A.mean<br> B.median<br> C.mode
    12·2 answers
  • WILL GIVE BRAINLIEST, 15 points-The daily number of patients visiting a dentist's office during one week are 8, 41, 35, 39, 36,
    10·2 answers
  • The figure below shows two triangles EFG and KLM.
    5·2 answers
  • A large office desk has an area of 42 ft2. If the width is 3.5 feet write an equation to represent the area
    8·1 answer
  • Combining like terms -1x+-2
    15·2 answers
  • james and elaine shares a box of sweet in the ratio 2:3 what fraction of sweets does james receive and how much elaine receive ​
    9·1 answer
  • ANDWER CHOICES: <br><br> 14cm<br> 20cm<br> 8cm<br> 6cm<br><br> I NED HELP ASAP!!!!
    8·1 answer
  • Joshua is going to invest $9,000 and leave it in an account for 5 years. Assuming the
    14·2 answers
  • I’m about to smash my laptop with a brick please please help
    10·1 answer
  • Which of the following expressions are equivalent
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!