Atest to detect an infection gives a positive result 98% of the time if a person is infected. it is 97% accurate for people who are not infected.
% of results will be false negatives, and
% of results will be false positives.

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?