Question: If a 20-digit ternary (0, 1, 2) sequence is randomly generated, what is the probability that: (a) It has an even number of l's? (b)

If a 20-digit ternary (0, 1, 2) sequence is randomly generated, what is the probability that: (a) It has an even number of l's? (b) It has an even number of l's and an even number of 2's? (c) It has an odd number of 0's? (d) The total number of 0's and l's is odd? (e) The total number of 0's and 1 's is even?

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