This program tabulates scores for a figure skating competition that has four parts:1. The short dance, which is worth 25% of the final score2. The free skate, which is worth 50% of the final score3. The partner dance, which is worth 10% of the final score4. The original performance, which is worth 15% of the final scoreThe array `weights` stores values that represent how much of the final score each of the four parts is worth.Complete this program to read in each of the four scores as `float` values, multiply each score by its corresponding weight, and then sum up the weighted scores to get the participant’s final score as a `float` value.```cpp#include #include using namespace std;const int WEIGHT_SIZE = 4;int main() { float weights[WEIGHT_SIZE] = {0.25, 0.50, 0.10, 0.15}; float total = 0.0; // TODO: Write your code here cout << "Final Score: " << total << endl;}``` # Understanding the Mode of a Dataset## DefinitionThe **mode** of a dataset is the item that appears most frequently.## InstructionsYou are required to write a program to read in numbers between 1 and 100 and then report the mode. If more than one number appears most frequently, choose the highest number. The program's output should be in the following format:```The most frequent value was 42, appearing 9 times.```## Sample CodeBelow is a snippet of C++ code with the basic structure to find the mode of the entered numbers.```cpp#include using namespace std;int main() { // TODO: Write your code here cout << "The most frequent value was " << 50 << ", appearing " << 8 << " times." << endl;}```### Explanation- **Include Directives**: `#include ` is used to include the standard input-output stream library.- **Namespace**: The `using namespace std;` line allows the program to use all the entities in the `std` namespace.- **Main Function**: This is the entry point of the program. - A comment indicates where the code to find the mode should be inserted. - The `cout` statement is used to output the most frequent value found and how many times it appeared.## VisualizationThere is a visual representation (pictured as a handwriting scribble) beside the code. It might suggest a flow or thought process, but it appears to be non-informative or illustrative for technical purposes.

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Complete this program to read in each of the four scores as float values, multiply each score by its corresponding weight, and then sum up the weighted scores to get the participant's final score as a float value.

Complete this program to read in each of the four scores as float values, multiply each score by its corresponding weight, and then sum up the weighted scores to get the participant's final score as a float value.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Transient PopulationPopulations are affected by the birth and death rate, as well as the number of people who move in and out each year. The birth rate is the percentage increase of the population due to births and the death rate is the percentage decrease of the population due to deaths. Write a program that displays the size of a population for any number of years. The program should ask for the following data: The starting size of a population P The annual birth rate (as a percentage of the population expressed as a fraction in decimal form)B The annual death rate (as a percentage of the population expressed as a fraction in decimal form)D The average annual number of people who have arrived A The average annual number of people who have moved away M The number of years to display nYears Write a function that calculates the size of the population after a year. To calculate the new population after one year, this function should use the formulaN = P + BP - DP + A - Mwhere N is the…
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