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
geniusboy [140]
3 years ago
8

A company specializing in building robots that can clean your house has found that the average amount of time kids spend cleanin

g their houses is about 2 hours per week. If their sample size was 1000 randomly chosen kids and the standard deviation was 0.3 hours, what is the margin of error for a confidence interval of 95%?
Mathematics
1 answer:
jolli1 [7]3 years ago
5 0

Answer:

0.588

Step-by-step explanation:

Margin of error is:

ME = CV × SE

where CV is the critical value (z score or t score), and SE is the standard error (standard deviation of the sample).

Since n is large, we can approximate as a normal distribution.  At 95% confidence level, z = 1.96.

Therefore, the margin of error is:

ME = 1.96 × 0.3

ME = 0.588

You might be interested in
pls help mee I dont k ow this and if anyone is smort enough can you help me with the 9ther questions (5 i total my last redo)​
melisa1 [442]

Answer:

c

Step-by-step explanation:

I think that is the answer

7 0
2 years ago
Read 2 more answers
What is the length of segment PR?<br> Р<br> 6<br> 4<br> 2<br> R<br> A. 3<br> B. 4<br> C. 5<br> D. 8
sveta [45]

Answer:

I can't understand it the way you put it, you should have added a picture or something, I can't understand it at all.

8 0
3 years ago
A department store is having a holiday sale. Mr. Smith bought a couch
Snezhnost [94]

Answer:

Step-by-step explanation:

500×30=15000

3 0
3 years ago
4x^2 + 7x - 2 = 0 all the steps using quadratic formula ​
Natali5045456 [20]

the answer is 55

hope this helped

7 0
3 years ago
Calculate the lateral area of the following equilateral triangular-based<br>pyramid.<br>​
DedPeter [7]

Answer:

81 mm^2

Step-by-step explanation:

Area= 3*6*9/2=81 mm^2

6 0
3 years ago
Other questions:
  • F(x)=-10x2+500x+7615
    5·1 answer
  • If there is an 8% tax on 1.00 item what is the total amount of the transaction
    15·2 answers
  • What is 3.868x10^9 in standard form
    9·1 answer
  • Find the length of the missing side.
    8·1 answer
  • Which shows a correct order to solve this story problem? The Diva Clothing Factory used 149.4 yards of fabric in 3 days. It used
    8·1 answer
  • Please Help Me With This!! I'd Appreciate It So Much!!
    15·2 answers
  • Liam earns $12 for each hour of dog walking. How many hours in all will it take Liam to
    14·2 answers
  • Please help quickly !
    12·1 answer
  • What is a geometric sequence
    12·1 answer
  • Please Help Me! Find the missing length indicated. Leave your answer in simplest radical form.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!