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
Ede4ka [16]
3 years ago
15

A population has a mean of 40 and a standard deviation of 15. a sample of size 100 is taken at random from this population. the

standard deviation of the sampling distribution of sample mean equals:
Mathematics
1 answer:
krok68 [10]3 years ago
3 0
Theirs alot of people in this world so watch out.

You might be interested in
Bhurashi did 8 out of 10 math problems and Bishwant did 11 out of 15 similar math problems. Express the number of problems solve
ohaa [14]
8 over 10 times by 100, and 11 over 15 times by 100 to find in percentage. Whichever number is bigger is your answer.
4 0
2 years ago
Draw a graph of a proportional relationship that passes through the point (2, 1). ​
Black_prince [1.1K]

Answer:

y=1/2x

Step-by-step explanation:

5 0
2 years ago
A certain forest covers an area of 3900 km2 . suppose that each year this area decreases by 8% . what will the area be after 10
stiv31 [10]

<span><span>A = P(1-r)^t
</span><span>
A = 3900(1-0.08)^10

A = 3900(0.92)^10 </span></span><span><span>

A = 3900(0.434388454)

A = 1694.11

1694 square km</span></span>


3 0
3 years ago
josiah is taking his friends to the movies each ticket cost $10, and popcorn is $5 a bag. there is a 3$ service fee for the enti
zavuch27 [327]
Automatically your going to spend $43.00 just on tickets with the $3.00 service fee. So 6x5=30. The 6 equals 6 bags of popcorn and 5 equals the cost of the bags of popcorn. if you add 30 and $43.00 you get $73.00 With 2 dollars left to spends. So the max number of bags of popcorn he can buy is 6 bags! 
6 0
3 years ago
Is 1.6 more than, less than, or equal to one and a half? Explain why
hram777 [196]
One and a half = 1.5, so 1.6 is more than 1.5.
It's very trivial question.
4 0
3 years ago
Read 2 more answers
Other questions:
  • The mass of the earth is 5.97 ✕ 1024 kg, and the mass of the moon is 7.35 ✕ 1022 kg. the distance of separation, measured betwee
    5·1 answer
  • Leslie is a biologist. She is going to randomly select one animal from her lab to study. There are 5 salamanders, 3 crayfish, an
    10·2 answers
  • Let the function f(x) have the form fx) = Acos(x+C). To produce a graph that matches the one shown below, what must the value of
    10·1 answer
  • Add 2 x 2 + 5 x + 6 to − 4 x 2 − x + 7
    12·1 answer
  • The problem is how many people must attend the third show so that the average attendance for three shows is 3000? And the other
    5·2 answers
  • Which point best represents v10 ?
    15·1 answer
  • What do the following two equations represent? • y-8=1/5(x+5) • y-8=-1/2(x+5)
    14·1 answer
  • If the sales tax in a town is 5% and Amanda pays $10 in tax on her purchase what was the cost of the item?
    14·1 answer
  • If three standard six-sided die were rolled with the numbers showing on each recorded, how many equally likely outcomes would be
    12·1 answer
  • Solve for n.<br><br> 11(n – 1) + 35 = 3n<br><br> n = –6<br> n = –3<br> n = 3<br> n = 6
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!