An action which students must do with the 10 grid-ins on the math section of the PSAT is to: D. arrive at an answer and put it in a grid.
What is PSAT?PSAT is an acronym for Preliminary Scholastic Aptitude Test and it can be defined as type of multiple-choice test that is designed and developed to test the knowledge of high school students on a particular subject.
This ultimately implies that, an action which students must perform with the 10 grid-ins on the math section of the PSAT is to arrive at an answer and put it in a grid.
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When communicating with parents for a meeting which is the most effective way to do it
Note that when communicating with parents for a meeting, the most effective way to do it is to make it an in-person communication.
What is in-person communication and why is it important?
In-person communication is precisely what it sounds like, and it is one of the most successful methods of forming parent connections. In-person communication is used whenever you interact with a parent in person.
Communication in our daily lives helps us develop connections by allowing us to share our experiences and needs, as well as connect with others. It is the vitality of life, allowing us to express our emotions, convey information, and share our opinions. We must all communicate.
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Classify the following data. Indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data.
Survey responses to the question "In which of the following regions of the country do you live?"
1) East 2) North 3) South 4) West
Survey responses to the question. The regions are:
1) East: Qualitative.
2) North: Neither.
3) South: Nominal.
4) West: continuous.
What is nominal data?Variables with no numerical value are labeled using nominal data. Male/female (albeit slightly archaic), hair color, ethnicities, names of people, etc. are typical instances.
Data is information that has been transformed into a format that is useful for transfer or processing in computing. Data is information that has been transformed into binary digital form for use with modern computers and communication mediums.
Therefore, the correct option is 1) East: Qualitative. 2) North: Neither. 3) South: Nominal, and 4) West: continuous.
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:
the average age of a vehicle registerd in the united state in 8 year or 96 month . assume the standard deviation is 16 month .if random sample 36 month is selected .find the probabilty that the mean of their age a. betwen 90 and 100
Answer: The average age of a vehicle registered in the United States is 8 years or 96 months. Assume the standard deviation is 16 months. If a random sample of 36 vehicles is selected, find the probability that the mean of their age is between 90 and 100 months.
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Find the t-scores of 90 and 100.
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t(90) = (90-96)/[16/sqrt(36)]
= -6/(16/6) = - 2.25
---------------------------
t(100) = (100-96)/[16/36)] = 4*6/16 = 1.5
----------------------------
P(90 < t-bar < 100) = P(-2.25< t < 1.5) = tcdf(-2.25,1.5,35) = 0.9133
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Explanation:
Assume that when adults with smartphones are randomly selected, 49% use them in meetings or classes. If 15 adult smartphone users are randomly selected find the probability that fewer than 3 of them use their smartphones in meetings or classes.
The probability that fewer than 3 of the 15 smartphone users use their phones in meetings or classes is 7.46%.
What is the binomial probability theorem?The binomial probability formula.
P(X = k) = [tex]^nC_r[/tex] [tex]P^k[/tex] [tex](1 - P)^{n - k}[/tex]
where n is the sample size, k is the number of successes, P is the probability of success, (P - 1) is the failure.
We have,
The required probability.
P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2)
Where X is the number of smartphone users out of 15 who use their phones in meetings or classes.
Now,
Using the binomial probability.
P(X = k) = [tex]^nC_r[/tex] [tex]P^k[/tex] [tex](1 - P)^{n - k}[/tex]
where n is the sample size, k is the number of successes (using their smartphones in meetings or classes), p is the probability of success (49%), and (n choose k) is the number of ways to choose k successes out of n trials.
We get,
P(X = 0) = [tex]^{15}C_0[/tex] x [tex]0.49^0[/tex] x [tex]0.51^{15}[/tex] = 0.0018
P(X = 1) = [tex]^{15}C_1[/tex] x [tex]0.49^1[/tex] x [tex]0.15^{14}[/tex] = 0.0149
P(X = 2) = [tex]^{15}C_2 \times 0.49^2 \times 0.49^{13}[/tex] = 0.0579
The probability of fewer than 3 smartphone users using their phones in meetings or classes.
P(X < 3)
= P(X = 0) + P(X = 1) + P(X = 2)
= 0.0018 + 0.0149 + 0.0579
= 0.0746
= 0.0746 x 100
= 7.46%
Thus,
The probability that fewer than 3 of the 15 smartphone users use their phones in meetings or classes is 7.46%.
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A government audit panel of 4 professionals is to be constituted from 6 senior auditors and 5 chartered accountants. Selection is random. (a) Determine the probability of the panel consisting of at least 3 senior auditors; (b) What is the probability of the panel consisting of at most 2 senior auditors.?
a) The probability of the panel consisting of at least 3 senior auditors is of: 0.3485 = 34.85%.
b) The probability of the panel consisting of at most 2 senior auditors is of: 0.6515 = 65.15%.
What is the hypergeometric distribution formula?The mass probability formula is presented as follows:
[tex]P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}[/tex]
[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]
The parameters are:
x is the number of successes.N is the size of the population.n is the size of the sample.k is the total number of desired outcomes.The values of these parameters for this problem are given as follows:
[tex]N = 11, k = 6, n = 4[/tex]
The probability of the panel consisting of at least 3 senior auditors is given as follows:
P(X ≥ 3) = P(X = 3) + P(X = 4)
In which:
[tex]P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}[/tex]
[tex]P(X = 3) = h(3,11,4,6) = \frac{C_{6,3}C_{5,1}}{C_{11,4}} = 0.303[/tex]
[tex]P(X = 4) = h(4,11,4,6) = \frac{C_{6,4}C_{5,0}}{C_{11,4}} = 0.0455[/tex]
Then the probability is of:
P(X ≥ 3) = P(X = 3) + P(X = 4) = 0.303 + 0.0455 = 0.3485 = 34.85%.
The probability of at most 2 senior auditors is of:
P(X ≥ 2) = 1 - P(X ≥ 3) = 1 - 0.3485 = 0.6515 = 65.15%.
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Determine the area under the standard normal curve that lies to the left (a) Z= 1.34, (b) The area to the left of 2 = – 0.25 is (Round to four decimal places as needed.) (c) The area to the left of Z = 1.66 is 0.949 (Round to four decimal places as needed.)
The areas under the standard normal curve is determined as follows:
(a) Using a standard normal distribution table, the area to the left of Z = 1.34 is 0.9099. (to four decimal places)
(b) Using a standard normal distribution table, the area to the left of Z = -0.25 is 0.4013 (to four decimal places)
(c) Using a standard normal distribution table, the area to the left of Z = 1.66 is 0.9515 (to four decimal places).
What does Area under the Standard Normal Curve mean and why is it important?The area under the standard normal curve represents the probability of a standard normal variable taking a value within a certain range.
It is important because it allows us to calculate probabilities and make statistical inferences using the standard normal distribution, which is a fundamental concept in statistical analysis. It is also used in many fields such as finance, engineering, and social sciences to model and analyze data.
One real-life application of the standard normal curve is in finance, where it is used to model stock prices and calculate the probabilities of different investment outcomes.
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Number of College Faculty The number of
faculty listed for a variety of private colleges that offer
only bachelor’s degrees is listed below. Use these data
to construct a frequency distribution with 7 classes, a
histogram, a frequency polygon, and an ogive. Discuss
the shape of this distribution. What proportion of
schools have 180 or more faculty?
165 221 218 206 138 135 224 204
70 210 207 154 155 82 120 116
176 162 225 214 93 389 77 135
221 161 128 310
A frequency polygon displays class frequencies while an ogive displays cumulative frequencies.
Is an ogive and a frequency polygon the same?A frequency polygon is a line graph while an orgive is a histogram . A frequency polygon displays class frequencies while an orgive displays cumulative frequencies there is no difference between a frequency polygon and ogive.The area under the frequency polygon is the same as the area under the histogram and is, therefore, equal to the frequency values that would be displayed in a distribution table. The frequency polygon also shows the shape of the distribution of the data, and in this case, it resembles a bell curve.The frequency polygon is a curve that is drawn on the x-axis and the y-axis. The x-axis represents the values in the dataset, while the y-axis shows the number of occurrences of each distinct category.An Ogive Chart is a curve of the cumulative frequency distribution or cumulative relative frequency distribution. For drawing such a curve, the frequencies must be expressed as a percentage of the total frequency.Procedure to find 5 number summary -
Step 1: First we need to arrange the date set in ascending order.
Step 2: Find minimum and maximum number in the data set.
Step 3: Find Median.
Median = Median is the center element (Ascending order)
Step 4: Find Q1 and Q2
Q1 is the median in the lower half of the data, and Q3 is the median in the upper half of data.
Now, consider the given numbers -
224, 203, 207, 201, 212, 225, 196, 221, 210, 195, 206, 206, 221, 191, 217
Here,
Ascending order : 191, 195, 196, 201, 203, 206, 206, 207, 210, 212, 217, 221, 221, 224, 225
Minimum : 191
Maximum : 225
First Quartile(Q1) : 201
Third Quartile(Q2) : 221
Median : 207
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lObjective 6-6) The following are various management assertions (a. through m.)
related to sales and accounts receivable.
Management Assertion
a. Recorded sales transactions have occurred.
b. There are no liens or other restrictions on accounts receivable.
c. All sales transactions have been recorded.
d. Receivables are appropriately classified as to trade and other receivables in the financial statements and are clearly described.
e. Sales transactions have been recorded in the proper period.
f. Accounts receivable are recorded at the correct amounts.
g. Sales transactions have been recorded in the appropriate accounts.
h. All required disclosures about sales and receivables have been made.
i. All accounts receivable have been recorded.
j. Disclosures related to receivables are at the correct amounts.
k. Sales transactions have been recorded at the correct amounts.
1. Recorded accounts receivable exist.
m. Disclosures related to sales and receivables relate to the entity.
a. Explain the differences among management assertions about classes of transactions and events, management assertions about account balances, and management assertions about presentation and disclosure.
b. For each assertion, indicate whether it is an assertion about classes of transactions and events, an assertion about account balances, or an assertion about presentation and disclosure.
c. Indicate the name of the assertion made by management. (Hint: See Table 6-2
Answer:
m. Disclosures related to sales and receivables relate to the entity. a. Explain the differences among management assertions about classes of transactions and ...
Explanation:
2. A conservative investor has $100,000 to invest. The investor has decided to use three vehicles for generating income: Municipal bonds, a certificate of deposit (CD), and a money market account. After reading a financial newsletter, the investor also has identified several additional restrictions on the investments: O a. No more than 40 percent of investment should be in bonds b. The proportion allocated to the money market account will be at least double the amount in the CD c. The annual return will be 8% for bonds, 9% for the CD and 7% for the money market account. Assume that the investor wants to maximize the total annual return Accessibility: Investigate Get genuine Office Then, formulate the LP model for this problem, ignoring any transaction costs and the potential for different investment
The LP model for the problem is x, y, z ≥ 0.
What is an investor?An investor is a person or organization that uses its own money or money borrowed from others with the intention of making a profit.
Decision variables:
Let x be the amount invested in municipal bonds
Let y be the amount invested in the CD
Let z be the amount invested in the money market account
The investor has $100,000 to invest, so x + y + z ≤ 100,000
The investor wants to invest no more than 40% of the total amount in bonds, which translates to x ≤ 0.4 * (100,000) = 40,000
The LP model can be written as:
maximize 8x + 9y + 7z
subject to
x + y + z ≤ 100,000
x ≤ 40,000
z ≥ 2y
x, y, z ≥ 0
Therefore, the LP model for the problem is x, y, z ≥ 0.
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6. The training will help me ask my supervisor when I am unsure of how to do a task safely.
(1 point)
A. Strongly Agree
B. Agree
C. Neutral
D. Disagree
E. Strongly Disagree
Explain how using non-local resources has affected the United States both environmentally and economically.
Answer:
Possible economic consequences of using non-local resources include increased costs of resources, loss of jobs, increased security risks, and a trade deficit.
Explanation:
The environmental and economic effects of how using non-local resources have affected the United States are:
increased costs of resources, loss of jobs, increased security risks, trade deficit. What is an Economy?This refers to the wealth distribution of a particular place based on its job provision, income, and other factors.
Hence, we can see that when non-local resources have been used in the United States of America, this has led to several effects such as increased costs of resources, loss of jobs, etc
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Marisol pours water into a large oven-safe glass bowl until it is about one-fourth full. She then places a small, heavy cup inside the glass bowl. The cup is heavy enough that it does not float. She makes sure that no water enters the small cup when she places it in the bowl. She then places the oven-safe bowl with the water and cup on an electric burner. Finally, she turns the burner on to low.
Part A
What will happen to the water in terms of phase changes when Marisol turns on the stove?
Part B
Marisol covers the bowl with plastic wrap and then places ice on top of the plastic wrap. Write a hypothesis predicting how the plastic wrap and ice cubes will affect the water vapor in the large bowl.
Part C
The image shows what happens when Marisol completes her setup.Write down what you observe in the image. Explain the processes that occur in the bowl and result in what you see.
- The picture here is for Part C -
The water in the bowl will start to heat up when Marisol switches on the stove. The water molecules will receive kinetic energy as a result, which will speed up their movement.
What is Part C of Image?Depending on the system's temperature and pressure, the water's molecules will start to vibrate more quickly as its temperature rises. This could eventually cause the water to boil.
Part B: I predict that the ice cubes and plastic wrap will alter the water vapor in the large bowl by causing condensation to form on the plastic wrap's underside.
Part C: I see a large bowl of water with a small cup floating in it in the image. The plastic wrap that is covering the bowl has a film of dampness on the underside.
Therefore, The water in the bowl will start to heat up when Marisol switches on the stove. The water molecules will receive kinetic energy as a result, which will speed up their movement.
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Write your answer in simplest form.
Be sure to include the correct unit in your answer.
Answer:
The answer is 3mm.
Explanation:
how to develop an e portfolio
Answer:
1. Decide on the purpose of your e portfolio. Ask yourself why you are creating the e portfolio. Consider what you want to communicate and the audience you are targeting.
2. Gather the content you want to include in your e portfolio. This could include resumes, work samples, awards, certifications, and other relevant documents.
3. Choose a platform for your e portfolio. There are many online tools that can help you create an e portfolio, such as WordPress, Weebly, Wix, and Squarespace.
4. Design your e portfolio. Consider the overall look and feel that you want to achieve. Think about the colors, fonts, and images you want to use.
5. Upload your content to your e portfolio. Make sure to include descriptions and captions for each item.
6. Test your e portfolio. Check for any errors or typos and make sure that all links are working properly.
7. Publish your e portfolio. Once you are satisfied with the final product, you can share it with your intended audience.
Explanation: