Question: Dottie’s Tax Service specializes in federal tax returns for professional clients. A recent audit by the IRS of the returns she prepared indicated that an error was made on seven percent of last year’s returns. Assuming this rate continues into this year and she prepares 110 returns, what is the probability that she makes errors on A) more than 6 returns? B) at least 6 returns? C) exactly 6 returns? D) Between 5 and 9 returns inclusive?