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
Elena L [17]
3 years ago
8

8. Given the standard deviation of 16 for a population and a 95% confidence level, find the margin

Mathematics
1 answer:
Kazeer [188]3 years ago
3 0

Answer:

4.0486

Step-by-step explanation:

The margin of error is calculated using  E=z_{\frac{\alpha}{2} }*\frac{\sigma}{\sqrt{n} }

Where n=60 is the sample size and \sigma=16 is the population standard deviation.

The critical value corresponding to 95% confidence interval is z_{\frac{\alpha}{2}}=1.96

We substitute the values to obtain;

E=1.96*\frac{16}{\sqrt{60} }

E=1.96*2.06559=4.0486

You might be interested in
Find the product of (x − 5)2. X2 10x 25 x2 − 10x 25 x2 − 25 x2 25.
Serggg [28]

Answer:

x^2 -10x+25

Step-by-step explanation:

(x − 5)^2

(x-5)(x-5)

FOIL

first  x*x = x^2

Outer  -5 *x = -5x

inner  -5*x = -5x

last -5*-5 =25

Add them together   x^2 -5x-5x+25

Combine like terms  x^2 -10x+25

4 0
2 years ago
Read 2 more answers
Sean has to face a big problem but he becomes stronger as a result which saying best summarizes the change in Sean?
kkurt [141]

Answer: D. every cloud has a silver lining

The cloud represents a dark, scary, or sad moment. This is in contrast to the sun which metaphorically represents energy and happiness. The cloud sometimes covers up the sun to cover up those happy moments so to speak.

Despite the cloud being present, there's a silver lining to the cloud which represents some positive aspect a person didn't expect to happen. In this case, the problem allows Sean to get stronger. So this is an opportunity for his growth.

7 0
3 years ago
I need help please???!
o-na [289]

Answer:

C

Step-by-step explanation:

A probability can not be more than 100% a probability is also like a dollar bill if you have 101 pennies then you only have one whole dollar bill.  

6 0
3 years ago
(x+4) (x+7) find product<br>​
nataly862011 [7]

Answer:

x2+11x+28    

Step-by-step explanation:

Thus, (x+7)(x+4) multiplies out to x2+4x+7x+28, which can be simplified to        

                                                     x2+11x+28

6 0
3 years ago
Read 2 more answers
Many golfers wear wrist bracelets containing magnets because they claim the magnets improve balance and the length of shots play
LuckyWell [14K]
I think my answer is a because it can’t be B and it can’t be C and it can’t be D so my answer is a
7 0
3 years ago
Read 2 more answers
Other questions:
  • Dalena has 6.50 liters of cola to bring to the party. Glenn has 3.75 liters of root beer. If Glenn wants to bring the same
    5·1 answer
  • ryan pays $3.78 for a bag of 14 tangerines. find the unit price in dollars per tangerine. if necessary round your answer to the
    12·1 answer
  • The hypotenuse right triangle is 26 mm one leg of the triangle is 10 mm what is the length of the other leg
    15·2 answers
  • If h(x) = x – 7 and g(x) = x2, which expression is equivalent to mc022-1.jpg?
    11·2 answers
  • Hi i need help on this one asap tyyysm
    12·1 answer
  • Find the volume of the pyramid below.
    14·2 answers
  • You are going on an expedition to dig for dinosaur fossils. In digging you come across a small trunk left by another archeologis
    11·1 answer
  • The perimeter of an equilateral triangle is 57 feet. What is the length of one of its sides? ​
    5·1 answer
  • Please help me that is the volume???
    6·1 answer
  • HELP ASAP!!!!!<br><br> Prove that the two circles shown below are similar.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!