Question

Write a program to simulate an experiment flipping three coins. Each time the three coins are flipped, is called a “trial”. A coin flip can randomly result in either “Heads” (1) or “Tails” (0) Allow the user to enter the number of “trial”s to simulate. Print out each coins’ result after each “trial”. Use seed value 1234. Tally up and determine what percentage of “trial”’s all three coins land on “Heads” in the simulation. C language

Answer 1

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#include<stdio.h>

#include<stdlib.h>

int main(){

    srand(1234);

    int n, i, result_coin1, result_coin2, result_coin3, heads = 0;

    printf("enter the number of \"trial\"s to simulate: ");

    scanf("%d", &n);

    for(i=1; i<=n; i++){

        result_coin1 = rand()%2;

        result_coin2 = rand()%2;

        result_coin3 = rand()%2;

        heads = 0;

        printf("Trial %d:\t", i);

        if(result_coin1){

            printf("Heads");

            heads++;

        }

        else

            printf("Tails");

        printf("\t");

        if(result_coin2){

            printf("Heads");

            heads++;

        }

        else

            printf("Tails");

        printf("\t");

        if(result_coin3){

            printf("Heads");

            heads++;

        }

        else

            printf("Tails");

        printf("\tHeads(%%): %.2f\n", (heads/3.0)*100);

    }

    return 0;

}