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
Sophie [7]
3 years ago
12

lab scale known to have a standard deviation of 0.001gram, speimen weghtted 8 times. average weiht is 4.1602 gram. what is 99% c

onfidence interval
Mathematics
1 answer:
gtnhenbr [62]3 years ago
5 0

Answer:

99\% CI=4.1602 \pm 0.0009

Step-by-step explanation:

From the question we are told that:

Sample size n=8

Mean \=x=4.1602

Standard deviation \sigma=0.001gram

Generally 99\% confidence from table  is mathematically given by

 99\% CI=4.1602 \pm *2.576*\frac{0.001}{\sqrt{{8}}}

 P(-z

 Z_{\alpha/2}=2.576

Generally the equation for 99\% confidence level (CI)  is mathematically given by

 99\% CI=\=x \pm Z_{\alpha/2*\frac{\sigma}{\sqrt{{n}}}

 99\% CI=4.1602 \pm 0.0009

You might be interested in
What shape has<br> 4 equal sides and<br> No right angles
NeTakaya

Answer:

Rhombus

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is the value of -5 to the 4th power? <br><br> A) 20<br> B) 625<br> C) 125<br> D) -625
Yanka [14]

Answer:

B) 625

Step-by-step explanation:

(-5)^4

-5*-5*-5*-5

25*25

625

3 0
4 years ago
Read 2 more answers
Which histogram represents the data in the frequency table showing the age of people leaving the library?
Yuki888 [10]

Answer:

last graph

Step-by-step explanation:

7 0
2 years ago
Line s has an equation of y=1/3-X-5. Line t is perpendicular to line s and passes through (-2, 9). What is the equation of line
anyanavicka [17]

Answer:

y = 3x + 15

Step-by-step explanation:

1. Find the reciprocal of the slope and change signs: -3

2. y = 3x + b

3. Plug in x and y --> b = 15

4. Make your equation using y = mx + b: y = 3x + 15

6 0
2 years ago
Read 2 more answers
1. When you measure the length of an object to the eighth of an inch and again to the fourth of an inch, which measurement is mo
sladkih [1.3K]

Answer:

The eighth of an inch scale measures more precisely.

Step-by-step explanation:

An eighth of an inch means that one inch is divided into 8 equal lengths on the scale i.e. the minimum length that can be measured is \frac{1}{8} =0.125 inch.

Again a fourth of an inch means that one inch is divided into 4 equal lengths on the scale i.e. the minimum length that can be measured is \frac{1}{4} =0.25 inch.

Therefore, the eighth of an inch scale measures more precisely as it can measure more small measurements. (Answer)

6 0
3 years ago
Other questions:
  • Attached is a screenshot of another problem I am having issues with. please please please help me
    10·1 answer
  • PLS Answer these questions, I have a test!
    8·2 answers
  • $14 socks 15% discount
    14·1 answer
  • Which statement is true? a. every rational number is an integer
    13·1 answer
  • For a large supermarket chain in a particularâ state, aâ women's group claimed that female employees were passed over for manage
    5·1 answer
  • The tables below show four sets of data:
    13·1 answer
  • Please help multiple choice question 50 points
    7·2 answers
  • What is AE?<br><br> Enter your answer in the box.<br><br><br> units
    12·1 answer
  • Mrs. Moore's third grade class wants to go on a field trip to the science museum.
    8·1 answer
  • Please help with the two problems on the top I’d really appreciate it please hurry thank you
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!