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
Soloha48 [4]
3 years ago
12

A building manager installs sensors to see how often people turn of the lights when they leave a room. After a month the manager

has sample size of 625, a sample mean of 47%, and a sample standard deviation of 5%. What is the confidence level for a confidence interval of 46.8% to 47.2%?
Mathematics
2 answers:
RideAnS [48]3 years ago
5 0

Answer:

The confidence level for a confidence interval of 46.4% to  47.6% is 99.7%.

Explanation:

First of all, the choices for this question are missing so I will include the ones I found for this exact question. The missing options are as follows:

A. 85% B. 95% C. 68% D. 99.7%

When it comes to statistics, a confidence interval (CI) is  a type of interval estimate  of a population parameter. Statistics is all about drawing conclusions in the face of uncertainty. Whenever you take a sample, you can’t be completely certain that your sample truly reflects the population it’s drawn from.

In conclusion, from the choices presented, the best option is the last one. Option D.


Aleks [24]3 years ago
3 0

Answer:

For apex the answer is 68%

Step-by-step explanation:

You might be interested in
A drilling machine can drill 12 holes in 6 minutes. If the machine drills holes at a constant speed, it can drill ______ holes i
Lelu [443]
Probably 50 holes in 25 minutes
6 0
3 years ago
Read 2 more answers
If you were applying for a job and the boss said: “We have 7 employees and the average salary is $100,000,” would you hope that
frosja888 [35]
Mode, because mode is the number that shows up most often. 
7 0
3 years ago
May someone please help me out on this question
NISA [10]

Answer:

A

Step-by-step explanation:

It's hard to see but when x is 6, y is 4.5. Just plug that into each equation and see which one is correct.

x^{2} =8y\\x=6;y=4.5\\6^{2} =8(4.5)\\36=36

8 0
3 years ago
Write an integer to describe a withdrawal of $50 from a bank account
slega [8]
-$50. Hope this helps man. -50

5 0
3 years ago
Read 2 more answers
Draw or write to explain why i hundred 4 ten and 14 tens name the same amount
butalik [34]
ten tens are one hundred and then they both have 4 tens or forty
8 0
3 years ago
Read 2 more answers
Other questions:
  • <img src="https://tex.z-dn.net/?f=3x%20%2B%205%20%3D%20%20-%202" id="TexFormula1" title="3x + 5 = - 2" alt="3x + 5 = - 2" alig
    11·1 answer
  • A grid shows the positions of a subway stop and your house. The subway stop is located at (-5,2) and your house is located at (-
    13·2 answers
  • If the volume of a rectangular pyramid is 150 inches cubes ,what is the volume of a prism with the same demensions
    5·1 answer
  • For parallelogram LMNO, if angle L=4x-25 and angle N=3x+18, find angle M
    14·1 answer
  • Which of the following is the correct factorization of the polynomial below?
    15·2 answers
  • Find the number that belongs<br> in the green box.<br><br> Round your answer to the nearest tenth.
    6·1 answer
  • Rewrite the formula to find I. <br>A=Iw​
    7·2 answers
  • If the value of 6 coins is $0.56, what are the coins?​
    6·1 answer
  • Which angles are supplementary<br> to &lt;6? Select all that apply.
    8·2 answers
  • Triangle ABC has coordinates; A(4, 5), B(4,9)
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!