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
tankabanditka [31]
3 years ago
11

The weekly salaries of sociologists in the United States are normally distributed and have a known population standard deviation

of 425 dollars and an unknown population mean. A random sample of 22 sociologists is taken and gives a sample mean of 1520 dollars. Find the margin of error for the confidence interval for the population mean with a 98% confidence level.

Mathematics
1 answer:
netineya [11]3 years ago
4 0

THIS IS THE COMPLETE QUESTION BELOW;

The weekly salaries of sociologists in the United States are normally distributed and have a known population standard deviation of 425 dollars and an unknown population mean. A random sample of 22 sociologists is taken and gives a sample mean of 1520 dollars.

Find the margin of error for the confidence interval for the population mean with a 98% confidence level.

z0.10 z0.05 z0.025 z0.01 z0.005

1.282 1.645 1.960 2.326 2.576

You may use a calculator or the common z values above. Round the final answer to two decimal places.

Answer

Margin error =210.8

Given:

standard deviation of 425

sample mean x=1520 dollars.

random sample n= 22

From the question We need to to calculate the margin of error for the confidence interval for the population mean .

CHECK THE ATTACHMENT FOR DETAILED EXPLANATION

You might be interested in
Any help is uselful thanks :)
Ad libitum [116K]

Answer:

4√7

Step-by-step explanation:

5√7 + √7 - 2√7

add: 6√7 - 2√7

subtract: 4√7

5 0
3 years ago
Ms hadley has an orange tree when she lived in california .less than 39 of the oranges were lost during the first month i need h
n200080 [17]

Answer:

Step-by-step explanation:boom boom boom boom i want you in my room lets spend the night together

7 0
2 years ago
How much trail mix will each person get if 6 people share 3/4 pound trail mix equally
dlinn [17]

Answer:

1/8

Step-by-step explanation:

6 0
3 years ago
Choose the expression that would equal the number of hours in the following question. If a car averages 50 1/3 miles per hour, h
Reika [66]
50 (1/3) mph
47 (1/2) = 47.5 mph

47.5 / 50 (1/3) = <span> <span> <span> 0.943708609271523 </span> </span> </span> hours

times 60 =
<span> <span> <span> 56.6225165563  </span> </span> </span> minutes =

56 minutes <span><span><span>37.3509933775 </span> seconds

</span></span>
6 0
3 years ago
Read 2 more answers
Help fast thanksddddd​
klasskru [66]

Answer:

2) 10/9 = 1.111111111

3) 1/2 = 0.5

4) 2

5) 3/7 = 0.428571429

6) 4/5 = 0.8

7) 1

8) 42/11 = 3.818181818

9) 5/3 = 1.666666667

10) 7/4 = 1.75

Step-by-step explanation:

Hope this helps

3 0
3 years ago
Read 2 more answers
Other questions:
  • The time a randomly selected individual waits for an elevator in an office building has a uniform distribution with a mean of 0.
    13·1 answer
  • What is the slope of the line y=3x/7 + 4/7
    7·1 answer
  • Find the area of the green sector if m∠ A = π/6 and the circle has a radius of 10 inches. A) 25π B) π/6 C) 25π/ 3 D) 5π/6
    11·2 answers
  • How do you find the x and y intercepts?
    7·1 answer
  • 4.49 × 10^–3 in standard form?
    9·2 answers
  • Which of the following points are solutions to the equation
    11·2 answers
  • I NEED Help Please!!
    6·1 answer
  • Work out the size of angle A 11cm 9cm 38°​
    8·1 answer
  • Consider the equation 7x+2(x+5)=9x+10.
    5·1 answer
  • There are 20 squares and 4 circles. What is the simplest ratio of circles to squares?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!