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
dusya [7]
3 years ago
5

20. What do you think would happen to the variability (standard deviation) of the distribution of sample proportions if the samp

le size for each sample was 200 instead of 80? Explain.
Mathematics
1 answer:
Naya [18.7K]3 years ago
4 0

Answer:

Step-by-step explanation:

Sample proportion p is the proportion of favourable numbers to total number in the sample

By central limit theorem and also approximation of binomial to normal , we have sample proportion for large number of samples will be normal

with mean = sample proportion

and std deviation = \sqrt{\frac{pq}{n} }

Thus we find standard deviation of proportion sample is inversely proportional to the square of the sample size n.

It follows automatically that as sample size increases std deviation decreases.

Here from 80 sample size was made to 200

So std deviation would decrease automatically

You might be interested in
I'm not sure what is 89•86/2​
Komok [63]

the answer is 3827

both multiplied and simplified.

7 0
3 years ago
Read 2 more answers
Let M = {Λ,abb} and L = {bba,ab, a}, what is ML ? ML ={bba, abbbba,abbab,abbba, ab,a} ML ={bba, abbbba,abbab,abba, ab,a} ML ={bb
Xelga [282]

Answer:

ML = {bba, ab, a, bbaabb, ababb, aabb}

Step-by-step explanation:

By application of Union of a set.

M = {bba,ab, a}

L = {Λ,abb}

ML = {bba, ab, a, bbaabb, ababb, aabb}

7 0
4 years ago
On Thursday, Movietown Theater made 4/5 of their popcorn with butter. The remaining , 35.2 ounces was made without butter. How m
Y_Kistochka [10]
35.2 ounces is 1/5 of the popcorn

so 35.2 x 5 = 176

1 pound = 16 ounces 

176÷16=11

The movie theater made 11 pounds of popcorn
3 0
3 years ago
Read 2 more answers
Write 405,612 in expanded form
Bingel [31]
Expanded Notation Form:
 400,000 +0 +5,000 +600 +10 +2 
Expanded Factors Form:
 4 ×100,000 +0 ×10,000 +5 ×1,000 +6 ×100 +1 ×10 +2 ×1 
Expanded Exponential Form:
4 × 105+0 × 104+5 × 103+6 × 102+1 × 101+2 × 10<span>0

</span>
4 0
3 years ago
Read 2 more answers
Please help, x = ? thank you!
masya89 [10]

Answer:

x = 9.8

Step-by-step explanation:

They are same shape so we just get the ratio.

AB/JK = BC/KL

5 / 7 = 7 / x

5x = 49

x = 9.8

4 0
4 years ago
Read 2 more answers
Other questions:
  • 3135 divided 5 and 1052 divided 4
    12·2 answers
  • Find the unit rate, and then use it to solve the problem.
    14·1 answer
  • Can you help me with my homework
    8·1 answer
  • If a point is chosen inside the large circle, what is the probability that it will also be inside the small circle?
    9·1 answer
  • Pls and quick! thank you!!!
    10·1 answer
  • A random sample of 10 subjects have weights with a standard deviation of 11.0482 kg. What is the variance of their​ weights? Be
    9·1 answer
  • NEED THIS AND HOW U GOT THE ANSWER find the value of X given that M is greater than PQS equals 119°
    6·1 answer
  • What is the constant of proportionality from the following equation: s = 0.75u
    12·1 answer
  • Write the algebraic expression for 'x plus five is twenty three'.
    15·2 answers
  • Choose the answer that best describes the graph &amp; why.
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!