Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar.
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 (answer)

The estimated probability that Mary needed additional clues to answer two consecutive questions is (answer)


I already did the test, the first one I got correct but the other one not, and I would like to know what did I do wrong and what was the correct option.
please don't reply if you don't know the answer.