In a quiz contest, mary answers 90% of the questions correctly without any additional clues from the quiz coordinator. the randomly generated numbers below simulate this situation. the numbers 0 to 8 represent questions answered correctly without additional clues, and the number 9 represents questions that needed additional clues. 44 51 99 66 23 68 72 20 20 59 50 89 39 36 20 90 13 51 47 92 49 20 89 10 13 52 82 52 52 99 28 10 33 35 73 40 44 30 95 22 99 10 55 10 35 36 78 92 37 96 the estimated probability that it would take at least three questions for mary to need additional clues is . the estimated probability that mary needed additional clues to answer two consecutive questions is