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liberstina [14]
3 years ago
12

When studying an information system, illustrations of actual documents should be collected using a process called _____.

Computers and Technology
1 answer:
Oliga [24]3 years ago
6 0
<span>When studying an information system, illustrations of actual documents should be collected using a process called sampling. Correct answer: D
</span>This process systematically selects representative elements of a population with the goal to get representative and useful information about the population as a whole and it is useful when <span>data sets that are too large to efficiently analyze in full.</span>
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Write a program that will predict the size of a population of organisms. The program // should ask the user for the starting num
nordsb [41]

Answer:

Following are the program in the C++ Programming Language:

#include <iostream>

using namespace std;

int main() {

 float starting, average;

 int num;

 std::cout <<"Enter starting number of the organisms: ";

 while(!(std::cin >> starting)|| starting < 2){

   std::cout<<"starting number must be greater than 2\n";

   std::cout <<"Enter starting number of the organisms: ";

   std::cin.clear();

   std::cin.ignore(123,'\n');

 }

 std::cout <<"Enter the average of daily population is increase %: ";

 while(!(std::cin >> average)|| average < 0){

   std::cout<<"Average must be greater than 0\n Enter average";

   std::cin.clear();

   std::cin.ignore(123,'\n');

 }

   average *= .01;

 std::cout <<"Enter the number of days: ";

 while(!(std::cin >> num)|| num < 1){

   std::cout<<"Number of days no be less than 1\n" <<"Enterthe number of days\n";

   std::cin.clear();

   std::cin.ignore(123,'\n');

 }

 for(int i=0; i<num; i++){

   std::cout<<"population size of day"<<(i+1);

   std::cout<<": "<<starting<<std::endl;

   starting +=(starting*average);

 }

 return 0;

}

<u>Output</u>:

Enter starting number of the organisms: 4

Enter the average of daily population is increase %: 5

Enter the number of days: 4

population size of day1: 4

population size of day2: 4.2

population size of day3: 4.41

population size of day4: 4.6305

Explanation:

Here, we define header file "<iostream>" and namespace "std".

  • Then, we define the main() inside it, we set two float data type variable i.e., "starting", "average" and set an integer data type variable i.e., "num".
  • Then, we print a message and after that, we set the while loop for get input from the user in variable "starting" and pass the condition inside loop we print message than clear cin and ignore 123 then, we again do this to get  input from user in variable "average".
  • Then, we set the for loop and pass the condition inside the loop print the size of the day then print the value of "starting" after that we multiply.
  • Finally, we return 0 and close the main function.
7 0
3 years ago
Write a function that takes as input a single integer parameter n and computes the nth Fibonacci Sequence number. The Fibonacci
RSB [31]

Answer:

Following are the code to this question:

def Fibonacci(n):#defining a method Fibonacci that accept a parameter

   a = 1#defining a variable a that holds a value 1

   b = 1#defining a variable b that holds a value 1

   if n <= 0:# Use if to check n value

       print("invalid number")#print message

   elif n == 2:#defining elif that check n equal to 2

        return 1#return 1

   else:#defining else block

       print(a)#print value of a

       print(b)#print value of b

       for i in range(2,n):#defining for loop to calculate series

           s = a + b# add value in s variable

           a = b # interchange value

           b = s# hold s value

           print(s)#print s value

Fibonacci(10)#calling method

Output:

1

1

2

3

5

8

13

21

34

55

Explanation:

In the above-given program code, a method "Fibonacci" is defined, which holds a value "n" in its parameter, and inside the method two-variable "a and b" is defined, that holds a value "1".

  • In the next step, if a block is defined that checks n value is less than equal to 0, it will print "invalid number" as a message.
  • In the elif, it checks n value is equal to 2 it will return a value that is 1.
  • In the else block, it will calculate the Fibonacci series and print its value.
4 0
2 years ago
Which factor did not contribute to the increase of leisure travel in the early twentieth century in the United States?
Vitek1552 [10]
The second factor as it did not make travel easy at all
6 0
3 years ago
Read 2 more answers
How to have grey font in java swing.
tiny-mole [99]

Answer:

How do I change the font color in swing?

To set the font and color of JTextArea we can use the setFont() and setForeground() methods of the JTextArea . To create a font we must define the font name, the font style and its size. For the colors we can uses the constant color values defined by the Color class.

Explanation:

3 0
2 years ago
To prevent rust from forming, a light coating of_____should be applied to all machined surfaces
Fantom [35]
What is that I never heard of that before
4 0
3 years ago
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