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1 year ago

In 2–3 sentences, describe how you would change the background of a group of cell

Computers and Technology

2 answers:

Montano1993 [528]1 year ago

5 0

<h2>Answer:</h2>

We can do it by using the format tab

<h2>Explanation:</h2>

We can change the background of a group of cells by selecting the cell or range of cells we want to format. We should Click Home > Format Cells dialog launcher, or press Ctrl+Shift+F from the keyboard. Then on the Fill tab, under Background Color, we pick the color we want. To use a pattern with two colors, we pick a color in the Pattern Color box, and then pick a pattern in the Pattern Style box. In this tab we can also select gradient or single color.

IRISSAK [1]1 year ago

3 0

Highlight the cells you would like to change. Go up and press background color. choose the color you want. and press done.

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gayaneshka [121]

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1 year ago

Read 2 more answers

Write a function in the cell below that iterates through the words in file_contents, removes punctuation, and counts the frequen

viktelen [127]

Answer:

Explanation:

The diagrams attached to the questions are shown in the first and the second image below. The first image shows the code and the second image shows the error that appears at the moment of running it.

To answer that ; We will notice that the error in the second image is what it says; what happened is that the individual subject performing this action is trying to to open the file called "h.txt", but the python interpreter is unable to find the file. The individual subject will need to have h.txt inside your current working directory for python to open it.

From the third image attached ; I have careful attached an image that illustrate how you can add the file by going to file → open (right from your jupyter notebook). Afterwards you can either upload the file, or create a new text file and paste the contents on it as displayed in the fourth image attached in the diagram below.

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1 year ago

When handling project scope creep, which are two things that all parties involved need to be aware of?

WARRIOR [948]

Additional resource needed for the projects

Additional time needed for the project

<u>Explanation:</u>

In any project handing their will expected diversion and add on requirement, so to complete a project additional time and additional resource is required to finish a project.

As advice due the project details, end user has keep enough buffer for deviations on resource of man power and additional times taken to finish the project.

While design the project each scope of work is measure with additional time to complete the task

Each scope of work is considered as task in project management.

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1 year ago

Find a 95% confidence interval for the mean failure pressure for this type of roof panel.The article "Wind-Uplift Capacity of Re

aliya0001 [1]

Answer:

The 95% confidence interval would be given by (2.351;3.525)

Explanation:

1) Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

$\bar X$ represent the sample mean

$\mu$ population mean (variable of interest)

s represent the sample standard deviation

n represent the sample size

2) Confidence interval

The confidence interval for the mean is given by the following formula:

$\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}$ (1)

In order to calculate the mean and the sample deviation we can use the following formulas:

$\bar X= \sum_{i=1}^n \frac{x_i}{n}$ (2)

$s=\sqrt{\frac{\sum_{i=1}^n (x_i-\bar X)}{n-1}}$ (3)

The mean calculated for this case is $\bar X=2.938$

The sample deviation calculated $s=0.472$

In order to calculate the critical value $t_{\alpha/2}$ we need to find first the degrees of freedom, given by:

$df=n-1=5-1=4$

Since the Confidence is 0.95 or 95%, the value of $\alpha=0.05$ and $\alpha/2 =0.025$ , and we can use excel, a calculator or a table to find the critical value. The excel command would be: "=-T.INV(0.025,4)".And we see that $t_{\alpha/2}=2.78$