Suppose we have data in cells B2 through B241 of an Excel spreadsheet. Which of the following formulas are incorrect for calculating the indicated statistic? Statistic Formula Mean =AVERAGE(B2:B241) Median =MEDIAN(B2:B241) Mode -MODE(B2:B241) Variance VAR(B2:B241) Range -RANGE(B2:B241) All of the formulas are correct. O The formula for the range is incorrect. O The formula for the variance is incorrect. O The formula for the mode is incorrect. O The formula for the mean is incorrect. A recent study analyzed a total of 400 accidents that occurred on Saturday nights. Two variables examined were the number of vehicles involved in the accident and whether alcohol played a role in the accident. Partial results are summarized below. Alcohol # of Vehicles Involved Involved? One Two Three Total Yes 30 No Total Given that an acciden Formula Sheet O.429 or 42.86% O.369 or 36.92% O.882 or 88.24% O.375 or 37.50% O.571 or 57.14% 100 50 230 275 more than one vehicle, what is the probability the accident involves alcohol