A national chain of department stores ranks its 750,000 salespeople by the monetary value of their sales. Michael's sales are at the 91" percentile. Ashley's sales are at the 34 percentile. (a) Which of the following must be true about Michael's sales? X 5 About 91% of the salespeople had sales lower in value than Michael. The value of Michael's sales were about 91% of the chain's total. O The value of Michael's sales was in the bottom half of all of the salespeople. Michael sold $9100 in merchandise. (b) Which of the following must be true about Michael's and Ashley's sales? O Both Michael and Ashley had sales higher in value than the median. Both Michael and Ashley had sales lower in value than the median. Michael's sales were higher in value than Ashley's sales. O Ashley's sales were higher in value than Michael's sales