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
mr_godi [17]
1 year ago
6

A manufacturer of pacemakers wants the standard deviation of the lifetimes of the batteries to be less than 1.8 months. A sample

of 20 batteries had a standard deviation of 1.6 months. Assume the variable is normally distributed. Find the 95% confidence interval of the standard deviation of the batteries. Based on this answer, do you feel that 1.8 months is a reasonable estimate?
Mathematics
1 answer:
kodGreya [7K]1 year ago
3 0

Answer:

Look down my answer↓:

Step-by-step explanation:

You might be interested in
a car repair shop charge $80 per hour for labor and $210 for the parts of the car if it's auto parts of the repair for the car w
juin [17]
490-210= 280; 280/80= 3.5 or 3.5 hours
7 0
3 years ago
Thirty work orders are selected from a filing cabinet containing 500 work order folders by choosing every 15th folder. which sam
Andru [333]
It is Systematic sampling
5 0
3 years ago
Which fraction is equivalent to -(3/4)?
Alekssandra [29.7K]

Answer:

I dont understand the context of the question but something eqqual to that would be -6/8

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
I NEED HELP <br><br>Thank you​
soldi70 [24.7K]

Answer:

tha answer is leter C thanks po

Step-by-step explanation:

thanks you po ??

5 0
3 years ago
Answer correctly please !!!! Will mark Brianliest !!!!!!!!!!!!!!
xxTIMURxx [149]

Answer: 49 pie

Step-by-step explanation:

<h3>7²</h3>
6 0
3 years ago
Read 2 more answers
Other questions:
  • A student is driving a car at 60.0 miles/hour. what is its speed in m/s
    11·1 answer
  • Help me please
    6·2 answers
  • Whats 16 divied by 1 over 4?
    5·2 answers
  • Please answer thoroughly
    8·1 answer
  • Pls help me you guys are amazing :)
    9·1 answer
  • Answer ,how to do it.
    11·1 answer
  • Triangle IJK has the coordinates listed:
    15·1 answer
  • Find the mean.<br> Z-score = -1.4<br> Standard Deviation: 7<br> x = 20
    11·1 answer
  • A. 22.59<br> B. 14.34<br> C. 20.48<br> D. 10.70
    12·1 answer
  • Evan and Marshall are having a debate. Evan contends that the pantheon is larger than the pantheon in terms of area. Marshall co
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!