A bowl contains 15 marbles, of which 10 are numbered 1 and 5 are numbered 2. Two
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A bowl contains 15 marbles, of which 10 are numbered 1 and 5 are numbered 2. Two marbles are to be randomly drawn from the bowl one after another and without replacement, and a two-digit number will be recorded according to the results. (For instance, if the first marble drawn shows 2 and the second shows 1, the number recorded is 21.)
(a) List the sample space and determine the probability of each outcome.
(b) Find the probability of getting an even number.
(c) Find the probability that the number is larger than 15.
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