please solve

Students caught cheating/plagiarizeng work don't often realize that those records follow you through your life, just like having a criminal background does. According to the Bureau of National Affairs, Inc., there is an 80% chance that an employer will check the educational background of a job candidate for code of conduct violations, For 400 randomly selected job applicants, find the probability that less than 320 applicants have their backgrounds checked. DO NOT USE DOLLAR SIGNS IN YOUR ANSWERS, AND REPORT ALL PROBABILITIES ROUNDED TO 4 DECIMAL PLACES AS NEEDED. To find this probability I entered the following information into my calculator V normalcdf -1E99 X 319.2 V 320 X 0.8 J. The probability is X -8413