BINOMIAL PROBABILITIES Big Box Store (BBS) has an annual rate of4% of all sales being returned. In a recent sample of thirtyrandomly selected sales the number of returns was five. BBS isconcerned about the event, and your advice is solicited. ( FOR 4 –9, OPEN THE EXCEL EXAM TWO FILE. THE SPREADSHEET FOR THIS PROBLEMIS FOUND ON SHEET TWO. COMPLETE AND SAVE YOUR WORK IN EXCEL ANDENTER THE SOLUTIONS BELOW. (6) (2.5points) What is the probabilitythat a random sample of 30 sales has 5 or fewer returns? Type theanswer and any work below.   (7) (2.5 points) What is theprobability that a random sample of 30 sales has less than fourreturns? Type the answer and any work below.