Assume that when adults with smartphones are randomly selected, 45% use them in meetings or classes. If 30 adult smartphone users are randomly selected, find the probability that exactly 24 of them use their smartphones in meetings or classes.
Answer:
P(X=12)
Explanation:
The probability of adults using smartphones during meetings or classes,
p = 0.44The Sample size of adult smartphone users,
n = 15The required probability is p(x=12)
The probability mass function of the binomial distribution is defined as p(x=12) (nx)px(1−p)n−x, x=0,1,2,…,n
By using the binomial probability distribution to compute the (15-12)!×12!
MANUAL DE LENGUA ES
5. Mediante diagramas descompón los siguientes signos lingüísticos.
Mesa- silla--- flor--- carro--- elefante---camisa--- televisión--- canasta---
Significante:
Significado:
Mesa:
Significante: M e s a
Significado: un mueble para poner cosas encima de él.
Silla:
Significante: s i l l a
Significado: un mueble para sentarse.
Flor:
Significante: f l o r
Significado: una estructura reproductiva de las plantas con pétalos y un aroma dulce.
Carro:
Significante: c a r r o
Significado: un vehículo de cuatro ruedas impulsado por un motor.
Elefante:
Significante: e l e f a n t e
Significado: un animal terrestre de gran tamaño con una trompa y grandes orejas.
Camisa:
Significante: c a m i s a
Significado: una prenda de vestir que cubre el torso y los brazos.
Televisión:
Significante: t e l e v i s i ó n
Significado: un dispositivo que muestra imágenes y sonido transmitidos por ondas electromagnéticas.
Canasta:
Significante: c a n a s t a
Significado: un recipiente tejido con asas utilizado para transportar y almacenar objetos.
The shielded metal arc welding process is an electric arc welding process, more commonly known as
Answer:
stick welding.
Explanation:
The shielded metal arc welding (SMAW) process is commonly known as stick welding because it involves the use of a "stick" or electrode, which is a consumable metal rod coated with a flux that melts and forms a protective gas shield around the weld area. The electrode is held in an electrode holder, which is connected to the welding power source, and the electric arc is created between the electrode and the workpiece, causing the metal to melt and fuse together.
During the welding process, the flux coating on the electrode burns and releases gas, which helps to shield the weld area from the surrounding atmosphere. This protective gas shield prevents the molten metal from reacting with oxygen, nitrogen, and other gases in the air, which could weaken the weld or cause defects.
The stick welding process is widely used in construction, shipbuilding, pipeline welding, and repair work, as it is versatile, portable, and can be used in outdoor environments. The term "stick welding" has become a commonly used name for this welding process due to the use of the stick electrode.
what is the message of the song the journey by lea salonga
Answer:
"The Journey" by Lea Salonga is a song about self-discovery and personal growth. The message of the song is that life is a journey that we must embrace, even when it's difficult. The lyrics encourage the listener to keep moving forward and to trust in themselves and their abilities, even when the road is uncertain.
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Brainliest and a like is much appreciated!
Answer:
it is an inspirational song about staying positive even in the darkest of times, and thinking one day everything will be fine.
Explanation:
What is the SAT , define it
Answer: SAT stands for :Scholastic Aptitude Test: a test taken in the U.S. to measure students' abilities before they go to college
Explanation: SAT simple definition
Noel read 90 minutes each day for 6 days. Tyra read 60 minutes each day for 8 days. What is the difference, in minutes, between the total amount of time Noel read and the total amount of time Tyra read?
*
10 points
A 30
B 40
C 60
D 80
C sixty Minutes
90×6=540
60×8=480
540-480=60
C=60
Discuss three best practices when creating effective learning environments.
Explanation:
Effective learning environments require careful planning and attention to detail. Here are three best practices for creating an effective learning environment: 1. Creating a Safe and Supportive Environment: Creating a safe, supportive, and respectful environment is essential for effective learning. This includes creating an atmosphere of respect, trust, and collaboration. It also means providing a safe space for students to explore their ideas, take risks, and make mistakes without fear of repercussions. Additionally, providing resources such as counseling and mental health support can help foster an environment of safety and support. 2. Establishing Clear Expectations: Establishing clear expectations helps to create an effective learning environment Students should be aware of behavioral expectations and course requirements. This helps to ensure that all students understand the rules and expectations and can focus on learning without disruption. 3. Promoting Collaboration: Collaboration is an important part of learning. Encouraging students to work together to solve problems fosters a sense of community and encourages critical thinking and problem-solving skills. Additionally, allowing students to work together in groups or teams helps to foster cooperation and teamwork.
Answer:
Here are three best practices for creating effective learning environments:
1. Create a Safe and Inclusive Environment: Set clear expectations and rules for behavior that are consistently enforced. Address any bias or discrimination that may arise and provide opportunities for all learners to participate and contribute.
2. Use Varied and Engaging Instructional Strategies: Incorporate a variety of instructional strategies and methods, such as lectures, group work, and simulations, to address different learning styles and preferences and keep learners engaged and motivated.
3. Provide Timely and Constructive Feedback: Give feedback that is specific, actionable, and focused on the learner's strengths and areas for improvement. Provide feedback in a timely manner to allow learners to make necessary adjustments and improvements.
By following these best practices, educators and instructors can create effective learning environments that promote growth and development for all learners.
name two examples of long term goal?
Answer:
♥Become a better spouse or parent.
♥Complete your first marathon.
♥Create and commit to a fitness routine.
♥Learn a foreign language.
♥Cut junk food out of your diet.
♥Start volunteering regularly.
♥Increase your emotional intelligence.
♥Earn a college degree.
Answer:
1. Saving enough money to retire comfortably.
2. Starting your own business.
3. Buying a house.
4. Paying off all your debts.
5. Traveling to every continent.
6. Learning a new language fluently.
7. Running a marathon.
8. Writing a book.
9. Becoming a CEO of a company.
10. Earning a PhD.
11. Becoming a professional athlete.
12. Building a successful career in a specific field.
13. Becoming financially independent.
14. Starting a family.
15. Becoming a homeowner.
16. Becoming a public speaker.
17. Learning a new skill, such as coding or cooking.
18. Volunteering regularly for a cause you care about.
19. Becoming a mentor to others.
20. Achieving a specific level of fitness or health.
Assume that when adults with smartphones are randomly selected, 45% use them in meetings or classes. If 30 adult smartphone users are randomly selected, find the probability that exactly 24 of them use their smartphones in meetings or classes.
This problem involves a binomial distribution with n = 30 trials and a success probability of p = 0.45 (using a smartphone in meetings or classes).
The probability of exactly k successes in n trials is given by the binomial probability formula:
P(k successes) = (n choose k) * p^k * (1 - p)^(n - k)
where (n choose k) is the binomial coefficient, equal to n! / (k! * (n - k)!).
Substituting n = 30, p = 0.45, and k = 24, we have:
P(24 out of 30 use smartphones in meetings/classes) = (30 choose 24) * (0.45)^24 * (0.55)^6
Using a calculator or software, we can evaluate this probability as:
P(24 out of 30 use smartphones in meetings/classes) ≈ 0.005
Therefore, the probability of exactly 24 out of 30 adult smartphone users using their smartphones in meetings or classes, when randomly selected, is approximately 0.005 or 0.5%.
1. Respond: Would you like to travel with Gulliver? Explain
2. (a) Support: In the final paragraph of "A Voyage to Brobdingnag," how does Swift use the King's reactions to express his own hopes for humankind? (b) Assess: Do you think these hopes are valid? Wh or why not?
I would be interested in exploring different parts of the world and experiencing different cultures.
The use of reactions by SwiftRegarding the second question, in the final paragraph of "A Voyage to Brobdingnag," Swift uses the King's reactions to express his hopes for humankind.
The King expresses his disgust at the corruption and greed of the human race, and his admiration for Gulliver's honesty and simplicity. Swift's hope is that by exposing the flaws and weaknesses of humanity, we may be able to recognize and correct them.
As for the validity of these hopes, it is subjective and open to interpretation.
While some may argue that Swift's critique of humanity is overly pessimistic, others may agree with his assessment and believe that we need to address the issues he highlights.
Ultimately, whether or not these hopes are valid depends on one's perspective and beliefs about human nature.
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Which whole number is equivalent to 8 and 2
A:2 B:4 C:6 D:8
The whole number equivalent to 8 and 2 is 6 which is option C
How to find this?The question is asking for a single whole number that is equivalent to the combination of 8 and 2. Since 8 and 2 add up to 10, the answer must be a number that also adds up to 10.
The only option that fits this criteria is option C, 6, since 8+2=10 and 6+4=10. Therefore, the whole number equivalent to 8 and 2 is 6.
Whole numbers is a collection of all the basic counting numbers and 0. In mathematics, counting numbers are called natural numbers.
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The sale price of a laptop is $505.44 after 35% discount and 8% additional tax. What was the original price of the laptop before discount and tax?
Answer:
The original price of the laptop before discount and tax was $718.46.
Explanation:
Let's work backwards from the sale price to find the original price:
1. First, we need to remove the effect of the additional 8% tax.
We can do this by dividing the sale price by 1.08 (100% + 8% = 108%) :
$505.44 / 1.08 = $467.00 (rounded to the nearest cent)
2. Now we need to remove the effect of the 35% discount. We can do this by dividing the price before discount by 0.65 (100% - 35% = 65%) :
$467.00 / 0.65 = $718.46 (rounded to the nearest cent)
Construct an argument that is valid according to the pattern of modus
tollens and which has the following universal statement as its main premise: "All planets
orbit the sun.”
Answer:
Explanation:
Modus Tollens is a valid form of deductive reasoning that works by first assuming a conditional statement, and then using a negation of the consequent to prove that the antecedent must also be false.
Here's an example of an argument that is valid according to the pattern of modus tollens and uses the universal statement "All planets orbit the sun" as its main premise:
Premise 1: All planets orbit the sun.
Premise 2: Pluto does not orbit the sun.
Conclusion: Therefore, Pluto is not a planet.
In this argument, the main premise is the universal statement "All planets orbit the sun." The second premise is the negation of the consequent - that Pluto does not orbit the sun. By using modus tollens, we can logically conclude that the antecedent (that Pluto is a planet) must be false, and therefore, the conclusion is that Pluto is not a planet.
This argument is valid because it follows the structure of modus tollens, and the premises are both true. By starting with a universal statement, we can make a logical deduction based on a particular instance that contradicts the universal statement. In this case, the fact that Pluto does not orbit the sun contradicts the universal statement that all planets orbit the sun, and therefore, we can conclude that Pluto is not a planet.
Which one of the following is a dependent clause?
Marci graduated at the top of her class in high school
She was admitted with honors into her college degree program
Throughout her college courses, she continued to earn high grades
Because she graduated from college with honors as well
Answer:
Because she graduated from college with honors as well
Explanation:
It's because it is not a complete sentence.
In other words, this sentence is a reason, but it is not clear what is this reason for.
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Roger Williams was banished from the Massachusetts Bay Colony because he _____.
argued for the separation of church and state
no longer believed in God
refused to follow the Sabbath
was friendly to the Native Americans
Answer:
Explanation:
Roger Williams was banished from the Massachusetts Bay Colony because he argued for the separation of church and state. He believed that the government should not be involved in religious matters and that people should be free to worship as they please without interference from the state. This view was considered heretical by the Puritan leaders of the colony, who believed that the government had a duty to enforce religious orthodoxy. As a result, Williams was banished from the colony in 1635 and went on to found the colony of Rhode Island, which became known for its commitment to religious freedom and tolerance.
fbfbyur The tree in Jacob's yard casts a shadow that is 27
27
feet long.
Jacob is 5
5
feet tall and casts a shadow that is 4.5
4
.
5
feet long.
The two triangles formed are similar because the angle to the sun is the same.
What is the height of the tree?
A right triangle with height of a tree question mark and width 27 feet. A right triangle with height of a man 5 feet and width 4.5 feet.
CLEAR CHECK
24.3
24.3
feet
26.5
26.5
feet
27.5
27.5
feet
30
30
feet
Answer:
the height of the tree is 30 feet.
Explanation:
We can use the properties of similar triangles to solve the problem. Let's call the height of the tree "h". Then, we have:
h / 27 = 5 / 4.5
Cross-multiplying, we get:
h * 4.5 = 5 * 27
h = (5 * 27) / 4.5
h = 30
Therefore, the height of the tree is 30 feet.
We can establish a ratio between the height of the tree and the length of its shadow, as well as between Jacob's height and the length of his shadow, using the information provided.
Describe shadow Which characteristic of light causes shadows to form?Light moves in a straight line in a particular medium thanks to rectilinear propagation. A shadow is created when light hits an opaque item because the light cannot travel through it. The shadow's shape can be determined in part by this characteristic of light.
(Tree Height) / 27 = 5 / 4.5
Cross-multiplying and calculating the tree's height:
(tree height) = 27 ×5 / 4.5 = 30.
Hence, the tree is 30 feet tall.
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