A multiple-choice test consists of 6 questions. Each question has answer choices of a, b, c, and d, and only one of the choices is correct. If a student randomly guesses on each question, what is the probability that he gets at most 2 of them correct? Carry your intermediate computations to at least four decimal places, and round your answer to two decimal places. (If necessary, consult a list of formulas.)

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A: Formula :

Q: 59% of all the town's residents own a dog and 61% own a cat. Of the dog owners 42% also own a cat.…

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Q: 59% of all the town's residents own a dog and 63% own a cat. Of the dog owners 45% also own a cat.…

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Q: 59% of all the town's residents own a dog and 65% own a cat. Of the dog owners 42% also own a cat.…

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