Consider a collection of 15 balls, 5 of which are octarine. If we have 15 balls divided into two groups, using an unknown system of making these groups, and Group 1 has 4 balls and Group 2 has 11 balls. If the groups are created randomly, without reference to ball colour, what is the probability of 3 of the 5 octarine balls ending up in Group 1? Round your answer to five decimal places. Answer:

Q: Two six-sided dice are thrown sequentially, and the face values that come up are recorded. Given…

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Q: 59% of all the town's residents own a dog and 67% own a cat. Of the dog owners 48% 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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