Answer Posted / kamal

* read a number … */

#include <stdio.h>

int main (void) {

int num; /* input number */

int rem; /* remainder …*/

/* get number from user */

printf(“Please enter a number: ”);

scanf(“%d”, &num);

/* calculate remainder … */

rem = num % 2;

if (rem == 0) {

printf(“even\n”);

} else {

printf(“odd\n”);

}

/* terminate program */

return 0;

}

Calculate the weighted average of a list of n numbers using the formula xavg = f1x1+f2x2+ ….+ fnxn where the f’s are fractional weighting factors, i.e., 0<=fi<1, and f1+f2+….+fn = 1

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