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
Art [367]
3 years ago
6

Let x1, x2, ...x64 be a random sample from a distribution with mean 64 and standard deviation 4. then mean and the standard devi

ation of the sample mean are:
Mathematics
1 answer:
VARVARA [1.3K]3 years ago
7 0

The mean of sample means is the same as the mean of the underlying distribution.


The standard deviation of sample means is the original distribution sample mean divided by the square root of the number of samples.


Mean of sample mean distribution: 64

SD of sample mean distribution: 4/√64 = 1/2

You might be interested in
Please answer this correctly
ira [324]

Answer:

Surface area = 804m^2

5 0
3 years ago
Complete the statement using always, sometimes, or never. A rectangle is __________________ a rhombus.
Lesechka [4]
Hi!

A rectangle can sometimes be a rhombus if it has sides of all equal lengths. If a rectangle was a rhombus, it would also be a square. Furthermore, a square is always a rhombus.

Hope this helps! :)
7 0
3 years ago
Find a distance between the two points
Alekssandra [29.7K]

i dont seem to understamd

6 0
3 years ago
Read 2 more answers
Express the probability that a die wil land on a number less than 5 as a fraction
Rashid [163]

Answer:

\frac{2}{3}

Step-by-step explanation:

Values less than 5 on a die are 1, 2, 3, 4 ← 4 values out of a possible 6

P( < 5) = \frac{4}{6} = \frac{2}{3} in simplest form


7 0
3 years ago
Solve the right triangle. Round decimal answers to the nearest tenth.<br> MK= 8<br> 40°
NeTakaya
All of it is 8 because sides are all equal
5 0
2 years ago
Other questions:
  • Have a go at this one!
    14·1 answer
  • Please help me and give me the right answer!
    11·1 answer
  • A rate in which the two quantities are equal but different units is called a what
    14·1 answer
  • 46 is 23% of what number ?
    5·1 answer
  • If Jesse saved $6 a week how many weeks would it take him to save $50
    12·2 answers
  • Enter the sum of numbers as a product of their GCF.75 + 90
    13·1 answer
  • Round 19,805 to the indicated place.
    6·2 answers
  • The number 312.8 is 34% of x. What is the value of x
    11·1 answer
  • 96% of the cost of a TV is rs 10464.what is total cost?​
    10·2 answers
  • Help with math pls cant figure it out
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!