Answer:
Address Resolution Protocol
Explanation:
ARP is a protocol that helps devices on a network find each other by translating IP addresses into MAC addresses.
ARP stands for Address Resolution Protocol. It is a communication protocol used in computer networks to translate an IP (Internet Protocol) address into a MAC (Media Access Control) address.
In simpler terms, it helps devices on a network to find each other and establish a connection.
When a device wants to send data to another device, it needs to know the MAC address of the recipient.
ARP allows the device to find the MAC address by sending out a broadcast message to all devices on the network, asking "Who has this IP address?".
The device with the matching IP address responds with its MAC address, allowing the sender to establish communication.
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You are asked to improve a test measuring a construct of your choice. First, identify the construct the test is measuring. Then, describe what you would do to improve the test and why. What method of estimating reliability would you use for your test and why? (Note: not every reliability method is appropriate for every type of test!)
Please come up with three examples of what you believe has caused past errors in your test score. Next, classify each source of error as a method error or trait error, and whether or not you believe this had a negative or positive effect on the obtained score
I need at least one outside reference.
The examples of construct that the research test can be measuring include:
How often does one make eye contact with others?Do you prefer having a smaller group of friends or larger group?What is construct validity?It should be noted that construct validity simply means the extent to which a test accurately assesses what it's meant to assess.
The way to improve the test is to ensure that the measurements and indicators are carefully developed based on the existing knowledge.
The method of estimating reliability that would be used for the test is the split-half method. This is important as it assesses the internal consistency of a test.
The examples of error that can be witnessed on the test include procedural error, environmental error, and human error.
Lastly, trait error is the error that is attributed to the individual which brings about the difference between the true and observed scores while method error is the error that occurs in measurement such that the value obtained is different from the actual value.
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A packaging company has an old machine which improperly packages 30% of all its goods. The company has a special order to package 20 products for a client. Based on Chebyshev's theorem we can be 89% sure that between ____ and ____ of the products will be improperly packaged.
Answer:
0,12
Explanation:
none
Based on Chebyshev's theorem we can be 89% sure that between 0 and 12 of the products will be improperly packaged.
What is probability?The chance of happening an event out of all the possible outcomes is called the probability of an event.
A packaging company has an old machine which improperly packages 30% of all its goods. The company has a special order to package 20 products for a client.
The probability that goods are improperly packaged is 0.30 and sample size is 20.
Then, μ = 20 x 0.30 =6
standard deviation, σ = √ [np(1-p)]
Put the values, we get
σ = 2.05
The value of k can be
1-1/k² = 0.89
Solving the expression for k, we get
k = 3.01
Based on Chebyshev's theorem, the limit are
μ ± kσ = (μ - kσ , μ + kσ )
={(6 - (3.01 x 2.05)) , (6 + (3.01 x 2.05)) }
={0,12}
Thus, we can be 89% sure that between 0 and 12 of the products will be improperly packaged.
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Suppose that 75% of the students enrolled in programs at the School of Business at USC are undergraduate students and the rest are graduate students (assume that total enrolment is in the thousands). If a random sample of 10 students is selected from the school to be interviewed about their level of satisfaction with the quality of the school's programs, what is the probability that at least 9 of the students selected are undergraduate students?
The probability that at least 9 of the students selected are undergraduate students is 0.244.
How to solve for the probabilityThis is a binomial distribution
We have
n = 10
probability = 0.75
1-p = 1- 0.75 = 0.25
The probability of at least 9 =
p 0f 9 + p of 10
= 10C9 (0.75)⁹ (0.25) + (0.75)¹⁰
= 10 x 0.0751 x 0.25 + 0.0563
= 0.244
Hence the probability that at least 9 of the selected are undergraduates is 0.244.
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what is unit of relative density
Answer:
no unit of
Explanation:
relative density
Answer:
It has no unit.
Explanation:
Relative density is a ratio of congruent quantities and is dimensionless. The ratio of a substance's density to the density of water at 40 C is known as relative density. The numerator and denominator cancel each other out since the units for both are the same. So, there are no units for relative density.
Katja ordered three books from a prominent online marketplace. James ordered five books from the same website and paid $3.00 more in total shipping fees. Katja's shipping fees were equal to $12 less than twice James' shipping fees. What was the price per book that Katja paid to ship her order
Answer:
$2 per book
Write a system of equations and solve for the variables.
What is the median on this question?
Answer:
175
Explanation:
Please help! I don't understand how to do this.
A statistics student wishes to gather a sample of high school seniors for his project. He numbers each class of senior
English and selects one class at random. He then interviews each student in that particular senior English class to be in
sampling.
his sample. This is an example of
OA. systematic
B. quota
C. random
D. cluster
Answer:
A. Systematic
Explanation:
it is because he ask each student in that particular class, so that he question them in a systematic way.
the magnitude of an impulse produced by a 300 g mass rubber ball, striking a wall horizontally at a velocity of 40 m/s, that rebounds with the same velocity immediately upon striking.
24.0 N s
12.0 N s
12,000.0 N s
60.0 N s
Option a. The total force that is calculated is given as 24 n/s
How to solve for the magnitude300 g = 0.3kg
Force = change in momentum / time
We have to find the mass x velocity
0.3 x 40 = 12kg m / s
This rubber ball is said to strike and also rebound immediately. We can take the time as 1 second.
Force 1 x 12
= 12 N
The force that is exerted after the rebounding has occurred is also 12 N following Newton's 3rd law.
The total force that is exerted would be calculated as 12N + 12N = 24 N/S
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f(x)=x-p
In the function above, p is a constant. If f(2)=5,
what is the value of f(2p)?
A) -3
B) -1
C) 3
D) 6
The value of f(2p), given that f(2) = 5 and p is a constant is -3 (option A)
How to determine the value of f(2p)?First, we shall obtain the value of p. Details below:
Function: f(x) = x - pf(2) = 5Value of p =?f(x) = x - p
But,
f(2) = 5
5 = 2 - p
Collect like terms
p = 2 - 5
= -3
Finally, we shall obtain the value of f(2p). Details below:
Function: f(x) = x - pp = constant = -3Value of f(2p) =?f(x) = x - p
But
x = 2p
f(2p) = 2p - p
f(2p) = p
But
p = -3
Thus,
f(2p) = -3
Therefore, we can conclude that the value of f(2p) is -3 (option A)
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Drag the tiles to the correct boxes. Not all tiles will be used.
Consider the piecewise function shown on the graph. Match each piece of the function with its domain HURRY PLS I will make brainliest
Answer:
(-∞, -2) ∪ (-2, 6) ∪ (6, ∞)
Explanation:
The domain describes the x-values that can be used in a function.
The leftmost function contains all x-values until x = -2. This looks like (-∞,-2). Remember, open dots mean that the associated x-value is not included in the domain.
The middle function contains all x-values from x = -2 to x = 6. This looks like (-2, 6).
The rightmost function contains all x-values after x = 6. This looks like (6, ∞).
Answer:
see photo
Explanation:
Edmentum/Plato
You have several options for how to spend your Saturdays. Your top options are volunteering with an animal rescue or mowing lawns in
the neighborhood for cash. You choose to volunteer. Which economic term now describes the option of mowing lawns?
An economic terminology which describes the option of mowing lawns is opportunity cost.
What is an opportunity cost?An opportunity cost is also referred to as alternative forgone and it can be defined as the value, profit or benefits that are given up by an individual or business firm, in order to choose or acquire something deemed most significant at the time.
In this context, we can infer and logically deduce that an economic terminology which describes the option of mowing lawns over animal rescue is an opportunity cost.
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Answer: Opportunity cost
Explanation:
QUESTION 1
Economics is the study of how people cope with:
a. limited resources.
b. fluctuations in stock prices.
O c. greed.
O d. limited human wants.
Answer:
A- people have to deal with unlimited wants but only a certain number of resources to produce those wants.
Explanation:
Passed both AP economics exams lol.
In a population of 5000 subjects 600 possess a certain characterstics.A sample of 120 subjects selected from this population contains 18 subjects who possess the same charasterstics.What are the values of the population,sample proportions and the sampling error?
The sample proportion is given as 5.
Calculations and ParametersTo solve for the sample proportion:
The sample proportion is denoted by
[tex]p= \frac{y}{n}[/tex]
Where,
y: is the number of observations that possess some special characteristic
n: is the total number of observations in the sample.
We have the following info:
y= 600
n= 120
Therefore, the sample proportion is:
600/120
=5.
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I keep getting 20% as my answer, but it says it's wrong...please help!
How do you solve this problem?
Answer:
A. -5
Explanation:
The y-intercept is the value of y when x=0. We will plug in 0 for x into the 2nd expression, where 0 is included in the range for x.
2(0) - 5 = 0 - 5 = -5
So, the y-intercept is A. -5.
Brainliest, please :)
The main purpose of the passage is to
A) present scientific research that lends credibility
to ideas about invention that would otherwise
appear outlandish.
B) show how a seemingly outdated set of beliefs has
led to revolutionary new inventions.
C) survey a range of factors in order to consider how
influential inventions and ideas were conceived.
D) emphasize the fact that inventors see isolation
from one another as essential to their work.
Answer:
D)Emphasize the fact that inventors see isolation from one another as essential to their work
True or false if you speak of right-wing party you are speaking of a group which holds liberal views
Answer:
False
Explanation:
That would be a left-wing party
Which two statements about redox reactions are true
The two true statements about redox reactions are:
C. One type of atom is oxidized and another is reduced.
D. Electrons are transferred from one atom to another.
What is a redox reaction?A redox reaction is also known as an oxidation-reduction reaction and it can be defined as a type of chemical reaction in which the oxidation number of an atom of participating chemical species are changed.
This ultimately implies that, the two true statements about redox reactions include the following:
One type of atom is oxidized while the other is reduced.Electrons are transferred from one atom of participating chemical species to another.Read more on redox reaction here: https://brainly.com/question/13668620
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Complete Question:
Which two statements about redox reactions are true?
A. Double-replacement reactions are redox reactions.
B. Acid-base reactions are redox reactions.
C. One type of atom is oxidized and another is reduced.
D. Electrons are transferred from one atom to another.
12 month old Dennis accidentally knocked his bowl of the table the both days on the floor before coming to a stop in a small pics of the boat and place it back on the table so he knocks it down again to see if it will fit Dennis knock the ball down each time his mother pick it up what’s up stage of sensorimotor development does this behavior reflects
The substage of sensorimotor development which this behavior reflect is an active experimentation.
What is an active experimentation?An active experimentation can be defined as a substage of sensorimotor development which is typically characterized by the use of theories in order to proffer solutions to problems or make decisions.
In this context, we can infer and logically deduce that the substage of sensorimotor development which Dennis' behavior reflect is known as an active experimentation.
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Complete Question:
12 month old Dennis accidentally knocks his bowl off the table. The bowl spins on the floor before coming to a stop. Dennis's mom picks up the bowl and places it back on the table, so he knocks it down again to see if it will spin. Dennis knocks the bowl down each time his mother picks it up. What substage of sensorimotor development does this behavior reflect?