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3 years ago

Examine the following code and answer questions 7 below. IGNORE COMPILE ERRORS.

Computers and Technology

1 answer:

MaRussiya [10]3 years ago

6 0

Answer:

1 to 5 both included.

Explanation:

rand() is the function which is used to generate the random values within the range.

for example:

rand() % 10;

it means it generate the output from 0 to 9. if we add the 1 in the above code:

like 1 + (rand() % 10);

Then, the range is from 1 to 10, it increase the range from start and end as well.

in the question code, for loop is used to for executing statement 9 times.

rand() % 5

it generate the number from 0 to 4.

and 1 + ( rand() % 5 ))

it generate the output from 1 to 5

Therefore, the answer is 1 to 5.

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Explanation:

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3 years ago

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poizon [28]

Answer:

The Java code is given below with appropriate comments for explanation

Explanation:

// java code to contradict birth day paradox

import java.util.Random;

public class BirthDayParadox

{

public static void main(String[] args)

{

Random randNum = new Random();

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birth_Day[i] = i + 1;

int iteration;

// varying number n

while (people <= 100)

{

System.out.println("Number of people: " + people);

// creating new birth day array

int[] newbirth_Day = new int[people];

int count = 0;

iteration = 100000;

while(iteration != 0)

{

count = 0;

for (int i = 0; i < newbirth_Day.length; i++)

{

// generating random birth day

int day = randNum.nextInt(365);

newbirth_Day[i] = birth_Day[day];

}

// check for same birthdays

for (int i = 0; i < newbirth_Day.length; i++)

{

int bday = newbirth_Day[i];

for (int j = i+1; j < newbirth_Day.length; j++)

{

if (bday == newbirth_Day[j])

{

count++;

break;

}

iteration = iteration - 1;

}

System.out.println("Probability: " + count + "/" + 100000);

System.out.println();

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}

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