month. Courtney refused to cut her hair from the

time she was 8 years old until she was 20 years

old. If Courtney's hair grew at the average rate,

approximately how many inches did her hair grow

during the time she refused to cut her hair?

F. 4

G. 6

H. 14

J. 72

K. 78

3 weeks ago

Guest #7248101

3 weeks ago

**Answer:**

96 inches

**Explanation:**

20 - 8 = 16 years of growth

16 x 12 = 192 months

192 x 0.5 inches = 96 inches

Question

How does good health contribute to career success?

Solution 1

**Answer: GoodÂ physical health not only keeps diseases at bay, but also improves brain function, energy levels, self-confidence, and innovation. All of these open the door to success and assist you in achieving your life objectives.**

Solution 2

Answer:

ï»¿you live healthier and longer

Explanation:

Question

what are the conditions to obtain internally valid causal estimates from a randomized evaluation?*

Solution 1

**Internal validity **examines if the planning, carrying out, and analysis of the study yield **objective solutions **to the research objectives.

**Internal validity **is defined as the** level of assurance** that the causal link you are evaluating is not affected by additional variables or circumstances. As a result of ignoring **confounding factors**, high internal validity enables the **researcher **to select one explanation over another with sufficient confidence.

When three conditions are met the "cause" precedes the "effect" in time, the "**cause**" and the "**effect**" tend to occur together, and a valid causal inference may be drawn. There aren't any logical alternatives to the observed **covariation**.

Thus, **internal validity **tests whether the study's planning, execution, and analysis provide unbiased answers to the **research objectives**.

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Question

Normal distribution with mean 3.8 and standard deviation 0.4 Sample size 16. What is the standard deviation of the sampling distribution of the sample mean length?

Solution 1

The **standard deviation** of the **sampling distribution** of the sample mean length is of:

s = 0.1.

According to the Central Limit Theorem, the **sampling distribution** of sample means of size n, from a normally distributed population in which the mean and the standard deviation are known, has these following features:

- Shape: Approximately Normal.

- Mean: Same as population mean.

**Standard deviation**: standard deviation of the population divided by the sample size.

In the context of this problem, the **values **of the **parameters **are given as follows:

- Standard deviation of the population: 0.4.

- Sample size: 16.

The **square root** of the sample size is of:

4.

Hence the** standard deviation** of the sampling distribution of the sample mean length is of:

0.4/4 = 0.1.

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Question

About what % of the area under the curve of the standard normal distribution is between z = âˆ’ 2.124 and z = 2.124 (or within 2.124 standard deviations of the mean). Round your percentage to 2 decimal places.

Solution 1

About __96.63%__ of the area under the curve of the standard normal **distribution **is between z = âˆ’ 2.124 and z = 2.124 (or within 2.124 standard deviations of the mean).

**What is the standard normal distribution?**

__A continuous probability __**distribution **__for a real-valued random variable__ is called a normal **distribution **or a Gaussian **distribution **in statistics. Graphs make it simple to identify the following key traits of normal distributions: __The mode, median, and __**mean **__are all equal__. About the **mean**, __the __**distribution **__is symmetric; half of the values are below and half are above the __**mean**__.__ Two numbers, the **mean **and the standard deviation, can be used to describe the **distribution**.

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Solution 2

Between z = 2.124 and z = 2.124, approximately **96.63**% of the standard normal **distribution's** area under the **curve** is located (or within 2.124 standard deviations of the mean).

**What is the standard normal distribution?**

In statistics, a normal distribution or a Gaussian distribution is a continuous **probability** distribution for a real-valued random **variable**. Using graphs, it is simple to spot the following essential characteristics of normal distributions: The **mean**, median, and mode all have the same values. The distribution is symmetric with respect to the mean; half of the values are below and half are above the mean. The distribution can be described using two numbers: the mean and the standard **deviation**.

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Question

Create all of the possible arrays for modeling a rectangular quilt with

the 24 paper squares. Write an equation to accompany each array.

You can use the attached pre-made quilt squares by cutting and

pasting them, or you can draw the arrays with your own designs on a

separate sheet of paper?

the 24 paper squares. Write an equation to accompany each array.

You can use the attached pre-made quilt squares by cutting and

pasting them, or you can draw the arrays with your own designs on a

separate sheet of paper?

Solution 1

An **equation** to accompany each** array** is as follows;

(rÂ³ - 3) Ã— 1 = 24, (rÂ² + 3) Ã— 2 = 24, (rÂ² - 1 ) Ã— 3 = 24, (rÂ² - 3 ) Ã— 4 = 24, (r) Ã— 8 = 24, (r - 1 ) Ã— 12 = 24, and (r - 2) Ã— 12 = 24 where, r = 3.

The** rectangular array** will be considered as **rows.**

Now, when we take the first side as the **length** represented by L and the second side as the **width** represented by W.

**Area** of a **rectangle** is given by the formula;

Area = length * width

Area = L * W

We are modeling a rectangular quilt with the 24 paper squares and as such the **total area** of the quilt is 24 squares which means;

24 Ã— 1 = 24

All squares are arranged in a **single row**;

(rÂ³ - 3) Ã— 1 = 24

12 Ã— 2 = 24

12 squares arranged in 2 rows.

(rÂ² + 3) Ã— 2 = 24

8 Ã— 3 = 24

8 squares **arranged** in 3 rows.

(rÂ² - 1 ) Ã— 3 = 24

6 Ã— 4 = 24

6 squares arranged in 4 rows.

(rÂ² - 3 ) Ã— 4 = 24

3 Ã— 8 = 24

3 **squares arranged** in 8 rows.

(r) Ã— 8 = 24

2 Ã— 12 = 24

2 squares arranged in 12 rows.

(r - 1 ) Ã— 12 = 24

1 Ã— 24 = 24

1 square arranged in 24 rows.

(r - 2) Ã— 12 = 24

In all of the above r = 3.

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Question

Question 6 of 20

Signs of test.

include insomnia, headaches, and panic.

OA. exhilaration

O B. anxiety

O C. depression

OD. fatigue

Signs of test.

include insomnia, headaches, and panic.

OA. exhilaration

O B. anxiety

O C. depression

OD. fatigue

Solution 1

Answer:

ï»¿B. Anxiety

Explanation:

Question

a speech made for the first time in public gathering is called

Solution 1

A speech made for the first time in a public gathering is called a **maiden speech.**

I appreciate the chance to **deliver** my first speech. I'm honored to be asked to give my first public address in such a significant issue. I can still feel the relief of finishing my debut speech. His speech was practically his debut, as he previously stated.

The custom of a Person's first speech, formerly known as an opening address, comes from the British Chamber of Commons. It's an important occasion and a chance for a current **recrui**t to tell the House what they aim to accomplish.

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Question

Suppose it is know that sigma is equal to 30. What is the minimum number of people the pollster should survey in order to have a margin of error of 10 miniutes at 95% confidence? show work.

Solution 1

To determine the minimum number of people the pollster should survey in order to have a margin of error of 10 minutes at 95% confidence, we can use the following formula:

n = (Z^2 * p * (1 - p)) / (E^2)

where:

n = the minimum number of people the pollster should survey

Z = the z-score corresponding to the desired level of confidence (for a 95% confidence level, the z-score is approximately 1.96)

p = the estimated proportion of the population that holds a particular opinion or characteristic (in this case, we will assume that p = 0.5, since we are given that sigma is equal to 30 and we want to find the minimum number of people needed to achieve a margin of error of 10 minutes)

E = the desired margin of error (in this case, E = 10 minutes)

Substituting these values into the formula, we get:

n = (1.96^2 * 0.5 * (1 - 0.5)) / (10^2)

Simplifying this expression, we get:

n = (3.8416 * 0.25) / 100

= 0.09604 / 100

= 0.0009604

Since n must be a whole number, we need to round up to the nearest whole number. In this case, the minimum number of people the pollster should survey is 1.

Therefore, the minimum number of people the pollster should survey in order to have a margin of error of 10 minutes at 95% confidence is 1.

Question

What problem or opportunity is the project addressing

Solution 1

**Answer:god**

**Explanation:**

Question

what Problem or opportunity is the project addresing

Solution 1

Your project will be **completely **defined from beginning to end by a problem statement or opportunity statement. Issue Statement: You want to update or improve an **existing **procedure or service.

**Opportunity **in relation to a project mostly refers to the value **expected **from the project output. Initial cost and outcome projections lead to a value expectation that is **greater **than the project's cost. This disparity may suggest a modestly reasonable prospect or one that is outrageously idealistic.

Therefore, **Opportunity **Statements are useful when **developing **new procedures or services.

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