answer.
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
Softa [21]
2 years ago
7

An online news source reports that the proportion of smartphone owners who use a certain operating system is 0.216. Two simulati

ons will be conducted to create a sampling distribution of the sample proportion from a population with proportion 0.216. Simulation A will consist of 1,000 trials with a sample size of 50. Simulation B will consist of 500 trials with a sample size of 100.
Mathematics
1 answer:
kaheart [24]2 years ago
4 0

Answer:

The center/ mean will almost be equal, and the variability of simulation B will be higher than the variability of simulation A.

Step-by-step explanation:

Solution

Normally, a distribution sample is mostly affected by sample size.

As a rule, sampling error decreases by half by increasing the  sample size four times.

In this case, B sample is 2 times higher the A sample size.

Now, the Mean sampling error is affected and is not higher for A.

But it's sample is huge for this, Thus, they are almost equal

Variability of simulation decreases with increase in number of trials. A has less variability.

With increase number of trials, variability of simulation decreases, so A has less variability.

You might be interested in
Kelly wants to know the actual value of a house that she wants to buy. What should she do?
Ghella [55]
Kelly should ask the realtor.
5 0
2 years ago
Read 2 more answers
Multiply and simplify.
qaws [65]

15x^2y^4z^2 will be your answer please thank me and friend me


3 0
2 years ago
The graph of f(x) = x6 – 2x4 – 5x2 + 6 is shown below.
DochEvi [55]

Answer:

There are two rational roots for f(x)

Step-by-step explanation:

We are given a function

f(x) = x^6-2x^4-5x^2+6

To find the number of rational roots for f(x).

Let us use remainder theorem that when

f(a) =0, (x-a) is a factor of f(x) or x=a is one solution.

Substitute 1 for x

f(1) = 1-2-5+6=0

Hence x=1 is one solution.

Let us try x=-1

f(-1) = 1-2-5+6 =0

So x =-1 is also a solution and x+1 is a factor

We can write f(x) by trial and error as

f(x) = (x-1)(x+1)(x^2-3)

We find that f(x) (x^2-3) factor gives two irrational solutions as

±√3.

Hence number of rational roots are 2.

5 0
2 years ago
Read 2 more answers
 how do i slove  5/9v+w=z, for v
nekit [7.7K]
Okay, let's do this~

we want v isolated on one side so let's bring w over through subtraction

now we have 5/9v=z-w

now, to get rid of that fraction attached to v, we will multiply it's reciprocal on both sides.

*the reciprocal of 5/9 is 9/5

(5/9) x (9/5) cancel each other leaving v isolated to the left

the other side should look like this 9/5(z-w)

now we put both parts together to end up with:

v= 9/5(z-w)

there you go! :D

 
3 0
2 years ago
Which of the following best describes the slope of the line below?<br> PLSSS HELP
12345 [234]

The slope is zero. Slope formula is Y=mx+b and since B is 1.5 and it is a straight line, Y=mx+1.5. What plus 1.5 is 1.5? 0. Hope this helps.

4 0
2 years ago
Other questions:
  • Divide 32x4 − 12x2 + 7x by 2x.
    13·1 answer
  • What is 0.514 written as a power of 10? 514 x 102 514 x 103 514 x 10-3
    9·2 answers
  • To convert a measurement, Pete must move the decimal point to the left 4 places. This a shortcut for the operation. which operat
    9·2 answers
  • Fill in the boxes to show how you unsimplified the original fraction. 2/3
    9·1 answer
  • Marie bought 1/2 gallon of milk, which she finished after 6 days. If she drank the same amount of milk each day, how many gallon
    9·2 answers
  • A sculpture of a clothespin is 20 feet high. A normal clothespin of this shape is five inches high. Using this scale, how many f
    5·2 answers
  • A metal alloy is a metal made by blending 2 or more types of metal. A jeweler has supplies of two metal alloys. On alloy is 30%
    15·1 answer
  • Choose the answer to complete each statement
    15·1 answer
  • A motorcycle has an initial speed of u m/s. It accelerates to a speed of 1.2u in 10 seconds. The motorcycle then travels at a co
    10·1 answer
  • Tom takes exactly 30 minutes to rake a lawn and his son Mike takes exactly 60 minutes to rake the same lawn. If Tom and Mike dec
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!