Since you wrote a program to compare the portion of drivers who were on the phone. The statements are true are option 2, 3, 4 and 5:
2. You could modify the program to allow the user to enter the data.
3. A different set of observations might result in a larger portion of male drivers being on the phone.
4. Even when confident that the mathematical calculations are correct, you still need to be careful about how you interpret the results.
5. It is important to test your program with a small enough set of data that you can know what the result should be.
<h3>What use does a driver program serve?</h3>
A computer software known as a driver, sometimes known as a device driver, that serves as a bridge between the operating system and a device such a disk drive, or keyboard. The device's collection of specific commands must be thoroughly understood by the driver.
In software, a driver offers a programming interface for managing and controlling particular lower-level interfaces that are frequently connected to a particular kind of hardware or other low-level service.
Therefore, based on the fact that the code you have made is okay, you can make some a notes on what is good and not and then make adjustments.
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Answer:
Libraries in c++ allows us to use common functions and data structures such as vectors,queue,stack etc.You have already used iostream library by which you are taking input and printing the output with the help of cin and cout functions.
for example you should use vector library to be able to use vector in your program.
You can incorporate library in your c++ program by writing #include<library name> at the starting odf the program.
for example:-
#include<iostream> //including iostream library.
#include<queue> //including queue library.
using namespace std;
int main()
{
queue<int> q; //declaring a queue of integer type.
q.push(23);//adding 23 in the queue q.
q.push(56);//adding 56 in the queue q.
q.pop();//deleting element from the queue.
cout<<q.front()<<endl;//printing fornt of the queue..
return 0;
}
output :-56
B. Percent of patches applied in the past 30 days
Option B
Explanation
Straight-in parking is an approach of parking where vehicle is approached and parked safely in between the guiding lines. It thus helps to prevent blockage of cars. Each car can move in and out freely preventing it from congestion.
Straight-in parking is the most traditional approach of parking which saves time for drivers, allows for two-way traffic as well as driver can line up from multiple angles. Hence option B is the most appropriate one.
