instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: each of the products produced yesterday was checked by worker x or worker y . 0.5 % of the products checked by worker x are defective and 0.8 % of the products checked by worker y are defective . if the total defective rate of all the products checked by worker x and worker y is 0.74 % , what fraction of the products was checked by worker y ?
answer:
4 / 


question:
Problem: set a { 3 , 3,3 , 4,5 , 5,5 } has a standard deviation of 1 . what will the standard deviation be if every number in the set is multiplied by 8 ?
answer:
d ) 8


question:
Problem: what sum of money will produce rs . 80 as simple interest in 4 years at 3 1 / 2 percent ?
answer:

571.4