In a multiple choice exam, there are 5 questions and 4 choices for each question (a, b, c, d). Nancy has not studied for the exam at all and decides to randomly guess the answers. What is the probability that:.

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Answer 1

Using the binomial distribution, it is found that there is a 0.6836 = 68.36% probability that she guesses at least one right.

For each question, there are only two possible outcomes, either she gets it right or she does not get it right. The probability of getting a question right is independent of any other question, hence the binomial distribution is used to solve this question.

What is the binomial distribution formula?

The formula is:

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

The parameters are:

x is the number of successes.n is the number of trials.p is the probability of a success on a single trial.

In this problem:

There are 5 questions, hence n = 5.For each question, she guesses one out of 4 options, hence p = 1/4 = 0.25.

The probability that she guesses at least one right is:

[tex]P(X \geq 1) = 1 - P(X = 0)[/tex]

In which:

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

[tex]P(X = 0) = C_{4,0}.(0.25)^{0}.(0.75)^{4} = 0.3164[/tex]

Hence:

[tex]P(X \geq 1) = 1 - P(X = 0) = 1 - 0.3164 = 0.6836[/tex]

0.6836 = 68.36% probability that she guesses at least one right.

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Virtual reality relies on slightly different views for each eye because it can stimulate our senses in a different way. Virtual reality depends on computer techniques.

What is Virtual Reality?

Virtual Reality is a fictional computer-developed environment in which our senses are stimulated to generate the illusion of reality.

In virtual reality, fictional things/objects seem real in a proper surrounding environment.

In consequence, virtual reality can transport us to another version of reality, which is subjective for each person.

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7. List two types of thank-you letter formats and specify when a thank-you letter should be sent.​

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Answer:if you get like money for christmas or ur b-day

Explanation:

Thank-you letters can either be formal or informal and they can be sent for example when we receive a gift from someone.

What are thank-you letters?

Thank-you letters are letters which are written to thank others for a good deed they have done for us or to us.

Thank-you letters can either be formal or informal in nature.

Thank-you letters are written for example when we receive a gift from someone or when we benefit from someone's service such as a doctor taking care of us.

Therefore, thank-you letters can either be formal or informal and they can be sent for example when we receive a gift from someone.

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What is a "colina?" a column a tricycle a hill a kitchen.

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Colina is a word is Spanish used to represent a hill.

Spanish

Spanish is a global language with over 500 million speakers located mainly in Spain and America. Spanish is the number two most widely spoken language in the world. Spanish is the official language used in 21 countries and the mother tongue in 13 other countries.

Castilian is the most used dialect in Spanish.

Colina is a word is Spanish used to represent a hill.

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Answer:

The answer is C "A hill"

Explanation:

In prokaryotes, certain proteins act to regulate genes by binding to dna. What could be the effect of these binding proteins? select all of the answers that apply.

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Prokaryote are organisms which lack a defined nucleus as a result of the
absence of the nuclear membrane. Certain proteins bind to DNA and help
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The effects either turns the gene transcription on and off which is the
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What are the requirements when checking in ciii-v products.

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The requirements used to check ciii-v products is; Handwritten verification marks (circle, slash, checkmark, etc.) to confirm receipt of each product must be documented on the invoice

What are some product checks requirements?

The Ciii-v products are simply medical products or ingredients that are sold at the counter.

Now, for checks, it is highly recommended that the handwritten verification marks such as circle, slash, checkmark, etc. must be checked to confirm the genuineness of each product.

Lastly, the receipt of each product must be documented on the invoice.

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This is an example of dramatic irony because the audience is relieved that romeo has found a suitable partner. The audience is eager to discover rosaline’s opinion of the couple. Romeo and juliet are shy characters who usually avoid social events. Romeo and juliet have yet to discover that they are from feuding families.

Answers

This is an example of dramatic irony because:

Romeo and juliet have yet to discover that they are from feuding families.

What is dramatic irony?

Dramatic irony can be defined as a literary device which is used to describe a scene where the characters do not have an idea of what is happening. In this case, the readers/audience have the knowledge of what is happening.

Romeo and Juliet were not aware of the state of long-standing mutual hostility between their families in the scene but the audience are aware.

Therefore, the correct answer is option D

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Answer:

Romeo and Juliet have yet to discover that they are from feuding families.

Explanation:

edge 2022

Consider the following statement, which is intended to create an arraylist named theater_club to store elements of type student. Assume that the student class has been properly defined and includes a no-parameter constructor. Arraylist theater_club = new /* missing code */; which choice can replace /* missing code */ so that the statement compiles without error?.

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The choice that can be used to replace /* missing code */ so that the statement compiles without error is said to be " new ArrayList<student>()".

What syntax is used to form an ArrayList?

The syntax to form an ArrayList is ArrayList<Type> str = new ArrayList<Type>(); or ArrayList var_name= new ArrayList();

An array is known to be a data structure, that can help one to  store a fixed-size group of elements that has the same data type.

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Who does wilson consider his diary a letter to? why?.

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Answer:

Himself because he is only able to share such thoughts in his private writings/Mr. Parsons because he fears his children, members of The Junior Spies, will report him./

Explanation:

Why does the author begin his article with two rhetorical questions? a) to make the reader angry and likely to agree with him b) to make it more likely that he will be taken seriously c) to invite the reader to see the relevance of his subject d) to raise legitimate questions that everyone wonders about.

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By process of elimination, C seems to be the most likely answer

Three types of technology implemented at the gautrain.

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Technology are knowledge of science that can be used to make work more efficient three examples that are implemented at the Gautrain include, communication, manufacturing, and transportation.

What is Gautrain?

It is a rail that is 80 km long and it is connected to other forms of transport such as buses and trains.

Technology used include,

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What does the excerpt show? character plot setting theme.

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Answer:

C. SETTINGS

Explanation:

Answer:

c

Explanation:

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Answer:

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The Expected  increase is mathematically given as

En= $13000

Given Data

Question Parameters:

revenues $25,000 retained earnings, jan. 1 20,000 cash 3,000 expenses 10,000 accounts payable 4,000 dividends 2,000 supplies 17,000

Expected  increase

Generally the equation for the  Net adjustment  earnings is mathematically given as

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En = 25000 - 10000 - 2000

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Orange is known to have huge economic importance. How oranges serves as a global food source is explained below.

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The graph of f(x) is shown. Which graph represents g(x)=f(2x).

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The function g(x) is equal to f(2x). The correct match of the graph for function g(x) is the curve of option A.

The mood of this excerpt can best be described as confused. Delightful. Ominous. Righteous.

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The mood which is described in the be excerpt is ominous.

The excerpt from The Strange Case of Dr. Jekyll and Mr. Hyde.

With every day, and from both sides of my intelligence, the moral and the intellectual, I thus drew steadily nearer to that truth, by whose partial discovery I have been doomed to such a dreadful shipwreck: that man is not truly one, but truly two. I say two, because the state of my own knowledge does not pass beyond that point.

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Mood: This is the mental or emotional state of an individual at a particular time.

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Answer: C

Explanation:

It is a hot summer day. Your dog, spot, is lying in the shade, panting. The water content in the dog's blood gets low. Spot gets up to find ___________ because he is responding to the internal stimulus of ___________.

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Answer:

Water and inside the body

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Water and inside the body like the person above me said all credit goes to u honestly

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The equation is an illustration of indices and exponents

The common base used to rewrite each side of the expression is 2

How to determine the common base

The equation is given as:

[tex]2^{x + 3} -3 = 5[/tex]

Rewrite the above equation using the laws of indices and exponents as:

[tex]2^{x} * 2^{3} -3 = 5[/tex]

The above equation means that:

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Answer:

( A ) 2

Explanation:

This graph shows the efficiencies of two different algorithms that solve the same problem. Which of the following is most efficient?.

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The most efficient interpretation of the graph is that The algorithms have different efficiencies depending on the input size.

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From the diagram, we can see that the algorithms in B is influenced by input sizes while the one of A remain unchanged across the input sizes.

See options below

A. These algorithms are equally efficient

B. Algorithm A is more efficient than algorithm B

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D. The algorithms have different efficiencies depending on the input size

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The narrator assumes that she will see denise again. Die at the camp. Be gone for a long time. Never see denise again.

Answers

Answer:

be gone for a long time

Explanation:

The narrator assumes that  be gone for a long time.  Hence option C is correct.

What is narrator?

Narrator is defined as a person who delivers a story or speaks during a movie or television presentation without acting but instead to discuss or describe the images being displayed. By speaking directly to the audience, one or more actors can narrate a tale, provide information, or make comments about the action taking place on stage or the motives of the characters.

Assumption is defined as something that is presumptively considered to be true or likely to be true but not known to be true. It's crucial to be explicit with assumptions and to make enough of them to adequately describe the situation at hand. A person makes a claim when they make an assumption. In the aforementioned excerpt, the narrator claimed that the person she was speaking to will miss her when the first tomato matured.

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How many hours after a meal should a diabetic train?.

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Those with type 2 diabetes are supposed to keep levels at 160 mg/dl within two hours of a meal. Because exercising reduces blood glucose concentrations, it's a good idea to start exercising about 30 minutes after the beginning of a meal, researchers concluded.

Discuss the social and cultural views that influence and affect our relationships.

Answers

There are social and cultural views that influence and affect relationships.

Culture is one that influence the relationship based on how you enter into and also how you maintain the said relationships.

Culture influences also Personality traits especially  how a person value traits such as humility, self-esteem and how one see others.

How does social cultural views affect influence relationship?

There are a lot of cultural views that is said to have the power to affect relationships in a positive and negative way. When a person is in a relationship with someone, there is a likelihood that the both people will have different cultural views.

Cultures of people make them to have different ways of communicating and engaging  each other.

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A new car is purchased for 16400 dollars. The value of the car depreciates at 8. 25% per year. What will the value of the car be, to the nearest cent, after 10 years?.

Answers

Answer:

$923.54

Explanation:

16400(0.75)^x

16400(0.75)^10 = 923.54

If two angles have equal measurements then they are.

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Answer:  congruent

Explanation: since they have the same measurements  

What does the underlined word mean in the following sentence? no hay ninguna fruta tropical aquí. Island tropics equator tropical.

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The underlined word is spanish tropical and the word means; tropical.

Meaning of Spanish words in English

According to the question;

The sentence given is; no hay ninguna fruta tropical aquí.

The underlined word is; tropical, which means tropical and is written as same in English language.

Ultimately, the word which means the underlined word is; tropical.

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Answer:

tropical

Explanation:

Carlton can hire only two full-time employees, but he needs even more help to make the two products he sells. Product alpha has a contribution margin per unit of limited resource of $750 and a unit contribution margin of $600. Product beta has a contribution margin per unit of limited resource of $975 and a unit contribution margin of $400. Carlton thinks he will be able to afford hiring an extra employee to work 150 hours per month, but he is unsure which product to have the employee work on. Which product would result in the highest additional contribution margin?.

Answers

The product that would result in the highest contribution margin is; Product Beta

What is contribution Margin?

In this question, we see that production is limited by a particular resource named Labor work Hours.

Now,  to determine the product to manufacture, Carlton has to rank the Contribution per unit of the limiting factor which is either labor of Product Alpha or  Product Beta.

Contribution per limiting factor is gotten from:

Product Alpha;  $750 per unit of limited resource

Product Beta; $975 per unit of limited resource

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In paragraph 3, the author makes an allusion by referencing the hal 9000. What is the most likely reason the author included this?.

Answers

Answer:

the answer should be B) To help readers better understand what the Eugene program is like

Explanation:

I had take the test on usa testprep and it showed it was correct, hope it helps:)

Consider this argument: "if pepsi tasted better than coke, then it would outsell coke. But pepsi does not taste better than coke. So it will not outsell coke. " that argument is an example of __________.

Answers

Answer:

this argument is I believe an example of a biased opinion, (which if I can remember) means based on someone's own opinion/experiences.

A 190 g block is pressed against a spring of force constant 1. 60 kn/m until the block compresses the spring 10. 0 cm. The spring rests at the bottom of a ramp inclined at 60. 0° to the horizontal. Using energy considerations, determine how far up the incline (in m) the block moves from its initial position before it stops under the following conditions.

Answers

How far up the incline (in m) the block moves from its initial position before it stops is 4.96 m

Law of conservation of energy

From the law of conservation of energy, the total mechanical energy at the bottom of the incline, E equals the total mechanical energy when the mass stops, E'

So, E = E'

U + P + K = U' + P' + K' where

U = initial elastic potential energy = 1/2kx² where k = spring force constant = 1.60 kN/m = 1.60 × 10³ N/m and x = spring compression = 10 cm = 0.1 m, P = initial gravitational potential energy = 0 J, K = initial kinetic energy = 0, U' = final elastice potential energy = 0, P' = final gravitational potential energy = mgh where m = mass of block = 190 g = 0.190 kg, g = acceleration due to gravity = 9.8 m/s² and h = vertical height block moves and K' = final kinetic energy = 0 (both kinetic energies are zero since the body is at rest at both positions)

Substituting the values of the variables into the equation, we have

U + P + K = U' + P' + K'

1/2kx² + 0 + 0 = 0 + mgh + 0

1/2kx² = mgh

Vertical height block moves

making h subject of the formula, we have

h =  kx²/2mg

substituting the values of the variables into the equation, we have

h =  kx²/2mg

h =  1.60 × 10³ N/m(0.1 m)²/(2 × 0.190 kg × 9.8 m/s²)

h =  1.60 × 10³ N/m × 0.01 m²/(3.724 kgm/s²)

h =  16.0 Nm/(3.724 kgm/s²)

h = 4.296 m

Distance up the incline the block moves

Now, the distance up the incline the block moves is L = h/sinФ where

h = vertical height block moves = 4.296 m and Ф = angle of incline = 60.0°

Substituting the values of the variables into the equation, we have

L = h/sinФ

L = 4.296 m/sin60.0°

L = 4.296 m/0.8660

L = 4.96 m

So, how far up the incline (in m) the block moves from its initial position before it stops is 4.96 m

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Create a 3 day diet plan based on the food pyramid guide for your age group.

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We’ll make sure you use a balanced diet but I would recommend drawing a picture to make it more clear
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