Final answer:
The solution calculates the least likely event over two consecutive days at a bank based on the given probabilities.
Explanation:
To determine the least likely event over two consecutive days:
- Dewey not being assigned at all: Probability = (2/3) (2/3) = 4/9 = 0.444.
- Louie being assigned at least once: Probability = 1 - (1/3 1/3) = 8/9 = 0.888.
- Huey being assigned exactly once: Probability = (1/3 2/3) + (2/3 1/3) = 4/9 = 0.444.
- The same person being assigned twice: Probability = (1/3 1/3) + (1/3 1/3) = 2/9 = 0.222.
Therefore, the event least likely to occur over two consecutive days is Dewey not being assigned at all with a probability of 0.444.
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