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
A line has a slope of 8 and includes the points (1, z) and (2,8). What is the value of z?
NISA [10]

The value of z is zero

Step-by-step explanation:

The slope is the steepness of the line.

The formula for slope is given by:

m=\frac{y_2-y_1}{x_2-x_1}\\Here\\(x_1,y_1)\ are\ the\ coordinates\ of\ first\ point\ on\ line\\(x_2,y_2)\ are\ the\ coordinates\ of\ second\ point\ on\ line

Here

(x1,y1) = (1,z)

(x2,y2) = (2,8)

So,

m=\frac{y_2-y_1}{x_2-x_1}\\8 = \frac{8-z}{2-1}\\8=\frac{8-z}{1}\\8-8 = -z\\z = 0

The value of z is zero

Keywords: slope, Line

Learn more about slope at:

  • brainly.com/question/10879401
  • brainly.com/question/10940255

#LearnwithBrainly

6 0
3 years ago
What is the perimeter?
DanielleElmas [232]

Answer:

Step-by-step explanation:

jest mutply it

7 0
3 years ago
Please help me solve this.
Vlada [557]

Answer:

<h2>I think that is a FORMULA.</h2>

it can't be solved if we don't know the values of atleast one of the x and y.

Hope this helps.

Good luck ✅.

8 0
2 years ago
Please help me :( with this
hodyreva [135]

Answer:

21

Step-by-step explanation:

Similar triangles. MNL is just ABC but 3/4 the size.

x = 8*3/4 = 6

perimeter woudl be 6+6+9 = 21

7 0
3 years ago
The perimeter of a game piece is 31 centimeters. What is the missing side length?
AnnyKZ [126]

Answer:

15.5? Im assuming as a pa rt of my calculations!

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • Are (121 over 11),(23 over 3), and (85 over 5) in simplest form?
    6·2 answers
  • 702•3.19 please give me the answer and the steps for it. thanks
    7·1 answer
  • If $1200 is deposited in an account that pays 6.5% interest, what is the difference in the amount after 4 years between the amou
    10·2 answers
  • How could the formula for perimeter be rearranged to find the length of the playground?
    15·2 answers
  • Football helmets
    6·1 answer
  • Can anybody help with this ?
    5·2 answers
  • Each team in the league can spend a maximum of $33 million per year on salaries. If the Whalers have 45 players and the average
    13·1 answer
  • What is the value of the discriminant? 4x2+15x=3x-9
    15·1 answer
  • Help me please!!!??<br>​
    12·2 answers
  • Anne fires a toy rocket into the air from the top of a barn. The height of the rocket above the ground in feet after t seconds i
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!