Question

a medical laboratory technician made a mistake on 1.5% of his calculations. if this technician made 200 calculations, how many mistakes were made? 1 6 2 3 3 30 4 15

Explanation:

Step1: Convert percentage to decimal

$1.5\%=0.015$

Step2: Calculate number of mistakes

Multiply total calculations by decimal. $200\times0.015 = 3$

Answer:

B. 3