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Solnce55 [7]
3 years ago
13

One of the advantages of off-the-shelf software is that ________________. a. the software contains important features, thus elim

inating the need for future modification and customization b. b. an organization does not have to pay for features that are not required and never used
Computers and Technology
1 answer:
BigorU [14]3 years ago
5 0

Answer:

One of the advantages of off-the-shelf software is that the initial cost is lower because the software firm can spread the development costs over many customers.

Explanation:

<u>Two other choices are missing in the question all choices are:</u>

a. the software contains important features, thus eliminating the need for future modification and customization  

b. an organization does not have to pay for features that are not required and never used

c. the software always matches current work processes and data standards.

d. the initial cost is lower because the software firm can spread the development costs over many customers.

Off-the-shelf software can be used by the customer without customization. It is ready made and not developed according to the customer's specifications. Therefore, these software are cheaper than the custom developed software and can easily found and purchased.

Since <em>off-the self software</em> can be used by multiple customers, its initial cost is lower.  

Example of off-the-shelf software are Salesforce CRM, Linux operating system, MySQL database, Microsoft Office, anti-virus programs.

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The Baltimore Sun reported on a study by Dr. Sara Harkness in which she compared the sleep patterns of 6-month-old infants in th
lawyer [7]

(a) The standard error of the mean (SEM) for the U.S. babies is 0.083.

(b) An approximate 95% confidence interval for the mean sleep time for 6-month-old babies in the United States is 12.8367< μ1< 13.163.

(c) An approximate 95% for the difference in average sleep time for 6-month-old Dutch and U.S. infants is −2.203< μ1 <μ2 < −1.7969.

What is standard error and how it is measured?

A statistical concept known as the standard error uses standard deviation to assess how accurately a sample distribution represents a population. The standard error of the mean describes the statistical variation between a sample mean and the population's actual mean.

According to the given information:

In United States:

Sample size $\boldsymbol{n}_1=\mathbf{3 6}$

Mean, $\bar{x}_1=13$

Standard deviation, $s_1=\mathbf{0 . 5}$

In Netherlands:

Sample size, $n_2=66$

Mean, $\bar{x}_2=15$

Standard deviation, $s_2=\mathbf{0 . 5}$

(a) For the newborns in the United States, the standard error of the mean (SEM) is determined as follows:

$$\begin{aligned}& S E\left(\bar{x}_1\right)=\frac{s_1}{\sqrt{n_1}} \\& S E\left(\bar{x}_1\right)=\frac{0.5}{\sqrt{36}} \\& S E\left(\bar{x}_1\right)=0.083\end{aligned}$$

(b) The following formula is used to determine the 95% confidence interval for the mean sleep time for babies aged 6 months in the United States:

$$\bar{x}_1 \pm z_{0.05 / 2} \times \sqrt{\frac{s_1^2}{n_1}}$$

$$\begin{aligned}& 13 \pm 1.96 \times \sqrt{\frac{0.5^2}{36}} \\& 12.8367 < \mu_1 < 13.163\end{aligned}$$

(c) The 95% difference in the amount of time newborns in the Netherlands and the United States spend sleeping on average is computed as follows:

$$\begin{aligned}& \bar{x}_1-\bar{x}_2 \pm z_{0.05 / 2} \times \sqrt{\frac{s_1^2}{n_1}+\frac{s_2^2}{n_2}} \\& (13-15) \pm 1.96 \times \sqrt{\frac{0.5^2}{36}+\frac{0.5^2}{66}} \\& -2.203 < \mu_1 < \mu_2 < -1.7969\end{aligned}$$

To know more about standard error:

brainly.com/question/29363195

#SPJ4

8 0
1 year ago
________ are devices used to send data between two networks.
svetoff [14.1K]
The answer is routers
4 0
3 years ago
How do you write a multiplication formula in excel with an absolute refrence?
White raven [17]
To multiply all the numbers in column A by cell C2, add $ symbols to the cell reference like this: $C$2, which you can see in the example below. Using $ symbols tells Excel that the reference to C2 is “absolute,” so when you copy the formula to another cell, the reference will always be to cell C2.
4 0
2 years ago
Explain the characteristics of 1st generation computers​
levacccp [35]

Explanation:

i hope this is the right answer

!st generation computers were more big and bulky and you for sure could not bring them around everywhere.

8 0
3 years ago
1. Bluetooth
Elza [17]

Complete Question:

1. A wireless technology standard for exchanging data over short distances

2. A particular brand of mobile phone/PDA

3. A network that operates over a limited distance, usually for one or a few users

1. Bluetooth

2. PAN

3. Blackberry

Answer:

1. Bluetooth 2. Blackberry . 3. PAN

Explanation:

1. Bluetooth is a wireless technology standard, used in order to exchange data between mobile devices, like smartphones, tablets, headsets, wearables, over short distances in a one-to-one fashion (which means that it is not possible to build a network based in Bluetooth).

2. Blackberry is a brand of mobile phones/PDAs, very popular a decade ago, because it was the first one to allow mobile users to access e-mails and messages from anywhere, at any time.

3. PAN (Personal Area Network) is an ad-hoc network that it is only available for data exchange at a very short distance, within the reach of a person, i.e. a few meters as a maximum.

It is thought to allow someone to interact with his nearest environment (laptop, tablet, PDA) and it can be wireless (like Bluetooth) or wired (via USB cables).

4 0
3 years ago
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