Question 1206058
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Total number of ways of selecting any number of the 11: 2^11 = 2048.<br>
Number of ways of selecting all 11: 11 choose 11 = 11 choose 0 = 1.
Number of ways of selecting 10 of the 11: 11 choose 10 = 11 choose 1 = 11.<br>
Number of ways of selecting no more than 9 of the 11: 2048-1-11 = 2036.<br>
ANSWER: 2036<br>