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bogdanovich [222]
3 years ago
7

Run a Monte Carlo simulation on this vector representing the countries of the 8 runners in this race:

Computers and Technology
1 answer:
ad-work [718]3 years ago
4 0

Answer:

Explanation:

# Run Monte Carlo 10k

B <- 10000

results <- replicate(B, {

 winners <- sample(runners, 3)

 (winners[1] %in% "Jamaica" & winners[2] %in% "Jamaica" & winners[3] %in% "Jamaica")

})

mean(results)

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Write the definition of a function named rcopy that reads all the strings remaining to be read in standard input and displays th
pickupchik [31]

Answer:

//Include this header file if program is executing on //visual studio.

#include "stdafx.h";

//Include the required header file.

#include <iostream>

#include <string>

//Use the standard namespace.

using namespace std;

//Define the function rcopy.

void rcopy()

{

    //Declare a string variable to store the string.

    string s;

    //Prompt the user to input the string.

    cin >> s;

    //Check if the string entered by the user reach to

    //the next line character.

    if (cin.get() == '\n')

    {

         //Display the last word in the string.

         cout << s << " ";

         //Return from the if statement.

         return;

    }

    //Make a recursive call to the function rcopy.

    rcopy();

    //Display the remaining words in the string in

    //the reverse order.

    cout << s << " ";

}

//Start the execution of the main method.

int main()

{

    //Call the function rcopy.

    rcopy();

    //Use this system command to hold the console screen      //in visual studio.

    system("pause");

    //Return an integer value to the main function.

    return 0;

}

Explanation:

See attached images for the code and output

5 0
3 years ago
For each of the following SQL queries, for each relation involved,list the attributes that must be examined to compute the answe
Vlada [557]

Answer:

1. E.eid ,E.hobby, E.sal, E.did

2.E.eid , E.sal, E.hobby ,E.did , D.did, D.floor ,D.dname , D.budget.

3.E.eid , E.sal, E.hobby ,E.did , D.did, D.floor ,D.dname , D.budget.

4.E.eid , D.dname

Explanation:

The attributes that are examined for the query are the attributes of the table that are mentioned in the select statement and where clause.

So according to first query we are working on all attribues of Emp table so all of the attributes of Emp table are examined.In second query we selecting all attributes of both the tables hence all attributes of both the table and same in the next query.

In fourth query though the query is not complete where clause is missing but we have eid from Emp and dname from Dept tables for sure and the attributes mentioned in where clause will also be present.

7 0
3 years ago
UML is a graphical language that is used for designing and documenting software created within the _____________ framework. (a)
stealth61 [152]

Answer:

The answer is "option d".

Explanation:

UML stands for Unified Modeling Language. It is an OOPs based language that is used to design a graphic by software developers. This language can also be used to build diagrams and provide some tools to ready-to-use, interactive templates for users and other options are not correct that can be described as:

  • In option a, The Top-down approach is not followed by UML.
  • In option b, UML uses an object-oriented programming language that follows a bottom-up approach. It refers to a style of programming.
  • In option c, It does not use structured programming because it uses procedural languages.

7 0
3 years ago
You have one address, 196.172.128.0 and you want to subnet that address. You want 10 subnets. 1. What class is this address
Korvikt [17]

Answer:

This address is by default a class c network

Explanation:

This IP address in this question is a class c network because it has 196 as its first octet. A class c network is one which has its first octet to be between 192 and 223. the class c network begins with a 110 binary.  If ip is between 192 to 223 it belongs to this class. These first 3 octets are the representation of the network number in the address. Class c's were made to support small networks initially.

8 0
3 years ago
What is the best way to move up and down on a computer screen
Misha Larkins [42]

Answer: 1. Using your mouse or laptop trackpad, move your cursor to the scroll bar.

2. Then click and hold your mouse; you can now move the scroll bar up and down.

3. Release the mouse button once you reach the place on your screen you would like to go.

4 0
3 years ago
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